【填空题】下面程序的功能是从键盘输入的10个整数中，找出第一个能被7整除的数。若找到，打印此数后退

【填空题】WM TE HT

【填空题】看图正确填写：A ，B ，C 。

【填空题】设,,,则.

【填空题】What is memory? What is storage? Is there any （1）between them? Yes, there is. It is important to （2）the difference between “storage” and “memory”. When people use the （3） “memory” in reference to computers, they are almost always referring to the computer’s （4） memory (or primary memory) called random-access （5） or RAM, which is comprised of （6）attached to the motherboard. Memory is sometimes referred to as temporary （7） because it will be lost if the power to the （8） is cut off. In contrast, “storage” refers to the permanent （9） available to a PC, Which is also called secondary storage, usually in forms of the PC's （10）drive, CDs, etc. Storage is permanent, as data and programs are retained when the power is turned off.

【填空题】Lesson 15 Listening Comprehension-2 Listen and Fill in the blanks with what you have heard On the benefits of ADSB The world aviation continues to evolve towards 1 to improve safety, communication, surveillance and navigation by extending the protection of 1090 megahertz frequency to satellites. Significant 2 can be made that will have an immediate impact as early as in 2017. since 1940s, radar has been the primary method to 3 and it remains so until today. In recent years ADSB has become a widely accepted 4 providing critical information to stakeholders. Current systems are limited to land-based areas leaving 70% of the world uncovered, creating 5 routing over much of the world’s airspace. These global blind spots will soon be disappear in 2017. ADSB receivers on satellites will 6 from all ADSB-equipped aircraft to ATC worldwide. This will provide near 7 of ADSB-equipped aircraft in any flight information region, including currently unsurveiled oceanic, polar, desert, and 8 Space-based ADSB will enable 9 , increase operational 10 for airlines, lower emissions, expand ATM efficiency and capacity and significantly enhance safety all with little 11

【填空题】Lesson 3 Listening Comprehension Blank-filling 2 We will begin by explaining the layout of a typical airport. Although airports are different in size and layout，airport markings and procedures have been 1 for safety and efficiency of operations so that everyone can comfortably and safely 2 on the ground. When an airport is built the runways are laid out so that the approaches to the runways avoid higher 3 and 4 , and the primary runway is aligned as much as possible with the commonly 5 . Any 6 runways are for use when the winds are from other directions. Generally pilots try to utilize the runway with the most direct 7 which minimizes the runway distance required also reduces their workload. The 8 width, strength and number of runways will be determined by the amount and the size of traffic expected. Many airports started out small and were 9 as use increased. Airport Landing services can be asphalt, 10 , grass, gravel or for sea planes water. Airports will also have taxiways and parking areas known as 11 . As airports increase in size and usage they become hosts to aviation businesses that provide fueling service, 12 , flight training, passenger and 13 service, manufacturing and other related services. When operating from a towered airport air traffic control or ATC will 14 arrivals and departures by issuing instructions and 15 to the pilots. When operating from a non-towered airport the pilots coordinate their own movements and use recommended patterns and procedures for safety and efficiency.

【填空题】Lesson 3 Listening Comprehension Blank-filling Passage One On January fifteenth, US Airways flight fifteen forty-nine was leaving La Guardia airport near New York City. Everything seemed normal and the weather was good that day. But as the 1 climbed to about 2 in the air, something happened. Captain Chesley Sullenberger reported that both of his plane's engines had 3 . The engines soon 4 . The plane was unable to 5 to the airport. So Captain Sullenberger made a quick decision to land the plane on the 6 of the nearby Hudson River. The emergency landing was 7 perfectly. Captain Sullenberger's actions saved the lives of one hundred fifty-five passengers and crew. But the 8 brought attention to a real and growing threat to 9 . Bird strikes happen all over the world. And they are not 10 . Bird Strike Committee USA says bird strikes cause about 600 million dollars in damage to American 11 and 12 aviation each year. The group says fifty-six thousand incidents were reported to the F.A.A. between 1999 and 2004. More than 7,600 bird and other 13 were reported for civilian aircraft in two thousand seven. But studies show only about 14 of bird strikes to civilian aircraft are reported. These incidents can be 15 . The organization says wildlife strikes have led to the deaths of 219 people around the world since 1988.

【填空题】Lesson 2 Listening Comprehension Blank-filling passage One Listening to the recording again and fill in the blanks with words you have heard. The wings _____1)_______ the airplane in the air, so it’s a good idea to have two wings. They also contain _____2)_______. Now the Skyhawk has a high wing, meaning that it is ____3)_______the airplane. A high wing has many advantages. The fuel tank _____4)_______are much easier to _____5)_______when checking fuel samples. You have much better ground clearance from low _____6)_______. You have an excellent view down and to the sides. During loading and unloading, you’ll really appreciate the _____7)_______the wing provides when it’s raining. The wing also provides _____8)_______ from the sun both on the ground and in the air. Listening to the recording again and fill in the blanks with words you have heard. The landing gear is another important part attached to the _____9)_______. Now the Skyhawk has, what is known as a_____10)_______, because it has one wheel in the front, that is called nose wheel, and two main wheels behind under the middle of the fuselage, a _____11)_______ like a triangle. The nose wheel _____12)_______ the airplane on the ground and supports the nose of the plane and the engine. The nose wheel does not have a _____13)_______ and is not as strong as main wheels. You don’t want to have a nose wheel supporting the full weight of the airplane. The nose wheel is connected through _____14)_______ to the _____15)_______located in the cockpit. If you _____16)_______ the left rudder pedal, the nose wheel turns to the left, pushing the right rudder pedal, turns the nose wheel to the right. The two main wheels are _____17)_______ to carry the full weight of the airplane by themselves. They’re normally the last to leave the ground during taking off and the first to touch during landing. The brakes are on the main wheels. You control each one _____18)_______ by pushing on the top of the rudder pedals.

【填空题】Datapath Implementation Student: Hi, Professor Curtis? I'm a little confused about （1） implementation. Do you have time to help me? Instructor: Sure, Angela. Come on in. What's confusing you? Student: Well, I know that the control gives （2）. But I don't really understand the data flow. Instructor: Like you said, the （3） gives instructions to the datapath. Do you know what the first step is? Student: No, I don't. Instructor: Take a guess. Student: Is it having the PC fetch the next instruction? Instructor: That's right. See, you understand better than you think you do. From there, we usually have to follow a memory-reference instruction. Student: Okay. Then what? Instructor: Well, all instruction classes use the （4）. So that's where the data goes next. Student: All of them? I thought it was just for arithmetic-logical instructions. Instructor: I know why you might think that, but it's not the case. After that, it's a matter of sending the to the right destination. Does that make sense?

【填空题】Internet is a （1） network connecting millions of computers. More than 100 countries are linked into （2） of data, news and opinions. The genesis is of the （3） was a decentralized （4） called ARPAnet created by the Department of Defense in 1969 to facilitate communications in the event of a nuclear attack. Eventually other networks including BITNET, Usenet, UUCP, and NSFnet, were connected to ARPAnet. Currently, the Internet offers a range of services to（5）, such as FTP, e-mail, the World Wide （6）, Usenet news, Gopher, IRC, Telnet and others. Each Internet （7）, called a （8）, is independent. Its operators can choose which （9） services to use and which （10） services to make available to the global Internet community. Remarkably, this anarchy by design works exceedingly well.