Many vessels are provided with flume tanks，which also have a dump tank located under the flume tanks. In the event the ship is damaged，you could dump the flume tanks into the dump tank which would （).

ency Position Indicating Radio beacons(EPIRB)().

A.One approved Category I EPIRB

B.Three approved Category I EPIRBs

C.One approved Class B EPIRB

D.Two approved Class B EPIRBs

ur entire body. An (1)_____ exam starts from the outside and works in. First the ophthalmologist(眼科医生) gauges (2)_____ with the familiar wall chart and checks visual field by moving objects in and out of (3)_____. A limited visual field could be the (4)_____ of the high inner eye pressure of glaucoma(青光眼)or (5)_____ a tumor pressing on nerves leading from the eye. The physician also checks for infection around the lashes and notes how fast the lids follow the eyes downward. Lid lag sometimes (6)_____ thyroid disease(甲状腺疾病).

If one pupil contracts (7)_____ the other doesn't, the physician is (8)_____ to the fact that (9)_____ a tumor or stroke, perhaps, has damaged the nerves between the eye and brain. A tumor as far away (10)_____ the lung can cause capillary problems by hitting a nerve that loops through the neck.

The white of the eye, tear ducts, lens and retina(视网膜) are checked for (11)_____ of trouble. Too many white blood cells (12)_____ inflammation, blood means tissue has tom or a vessel has burst, and deposits of (13)_____ material can mean eye disease. The orange-red retina holds many more (14)_____ for disease detection. High blood pressure may announce its (15)_____ by pushing the vessels off track at their intersections. (16)_____ vessel growth is a sign of diabetic retinopathy(糖尿病性视网膜病). Narrowed vessels may indicate (17)_____ of the arteries, and damage to tiny capillaries could be a sign of early diabetes.

The doctor even examines the pin-head-size hole in the back of the optic nerve on their way to the brain. (18)_____ the appearance of these nerve fibers is abnormal, nerve tissue may have been damaged because of intraocular pressure, indicating glaucoma or the presence of a tumor. When a physician needs quick, (19)_____ information about the body, the eyes have (20)_____.

A．entire

B．intact

C．eye

D．informative

serious illness. If we are given a serious diagnosis， it is useful to fry to remain free of panic and depression. Panic can constrict the blood vessels and impose an additional burden on the heart. Depression， as medical researchers all the way back to Galen have observed， can set the stage for other illnesses or intensify existing ones. It is no surprise that so many patients who learn that they have cancer or heart disease or any other catastrophic disease become worse at the time of diagnosis. The moment they have a label to attach to their symptoms the illness deepens.

an as a small Spanish outpost located on a magnificent bay.The town was little more than a village serving ranchers when the United States took possession of it in 1846 during the war with Mexico.

San Francisco sprang into a city overnight because of the nearby discovery of gold in 1848.A great rush to California took place.Wagon trains plodded their dangerous way across 2000 miles of prairie and mountains, while hundreds of sailing vessels made the equally hazardous trip around the Horn.The vessels disgorged thousands of passengers -- then the crews deserted their ship and hundreds of vessels were left to rot in the bay.Within two years, California had enough population to become a state and San Francisco was for many years the hub of that newly-arrived population.

The city＇s present popularity is due to an excellent climate, an easy style. of living , good food, and numerous tourist attractions.The city is famous for its cable cars which "clang and bang" up the steep hills, and for its excellent seafood stals along the wharf.Most visitors arriving from nations in the Pacific Basin spend several days getting to know the town.

1.According to this article, who were the first Californians？____

A.deserters from sailing ships

B.Spanish ranchers

C.gold miners

D.tourists

2.San Francisco＇s appeal includes all of the following factors____.

A.attractive lifestyle, good seafood, desirable weather

B.tourist attractions, extreme seasons, cable cars

C.wagon trains, gold mining, good climate

D.cable cars, pleasant climate, flat terrain

3.San Francisco today is a thriving city because of ____.

A.heavy industry

B.governmental headquarters

C.Gold mining

D.trade and tourism

4.In which year did California become an American state？____

A.1850

B.1852

C.1846

D.1848

Sam did many things to help Sally EXCEPT _______.

A．examining her leg carefully

B．making prompt suggestions

C．subscribing her some pills

D．helping her to the local hospital

Reebok once had to limit the number of its distributors because ______.

A．its supply of products fell short of demand

B．too many distributors would cut into its profits

C．the reduction of distributors could increase its share of the market

D．it wanted to enhance consumer confidence in its products

Reebok once had to limit the number of its distributors because ______.

A．its supply of products fell short of demand

B．too many distributors would cut into its profits

C．the reduction of distributors could increase its share of the market

D．it wanted to enhance consumer confidence in its products

It is not recommended that any person shall be allowed on the bridge or in the pilot house except the pilot and other representative of the Canal，and Master and such officers and other members of the crew of the vessel as may be necessary for its navigation and control，management，operation and safety．

Navigational aids are difficult to maintain and are reported to be unreliable in this waters．A considerable amount of shipping uses the canal and，in addition，many local fishing craft with nets may be encountered in the area.Since passage through the canal entails a run of more than 250 miles，long periods of considerable vigilance are necessary in order to maintain safe standards of navigation．

问题：PILOT HOUSE is referred to ______ in this passage．

A.the cabin in which the pilot stays

B.the space in which the rudder is located

C.the bridge of vessels

D.the cabin which is prepared for the pilot

SHIPPING is referred to ______ in this passage．A.he operations of transportation of goods by sea

B.the procedures of marine transportation business

C.the management of marine transportation business

D.the vessels and ships

The author implies that ______ ．A.even by making use of modern instrument it is difficult to maintain safety in this area

B.mariners should take it easy when navigating in this area

C.modern instrument should be used to control the safety of navigation in this area

D.it is dangerous when navigating in this area

The person on the bridge or in the pilot house shall be those ______ ．A.who are recommended

B.who are familiar with the navigation，management，operation and safety control

C.who are directly involved in the navigation，management，operation and safety control

D.who have nothing to do with the navigation，management，operation and safety control

Reebok once had to limit the number of its distributors because ______.

A．its supply of products fell short of demand

B．too many distributors would cut into its profits

C．the reduction of distributors could increase its share of the market

D．it wanted to enhance consumer confidence in its products

Reebok once had to limit the number of its distributors because ______.

A．its supply of products fell short of demand

B．too many distributors would cut into its profits

C．the reduction of distributors could increase its share of the market

D．it wanted to enhance consumer confidence in its products