全世界第一个采用分组交换技术的计算机网是 ______。A．ARPANETB．NSFNETC．CSNETD．BINET

t to point WAN links. Which of the masks below would you use？

A. /38

B. /30

C. /27

D. /23

E. /18

F. /32

capable of[1] At some point in your life you are bound to be required to give a speech. But are you capable of having the effect on an audience that you want to have Here are some things to keep in mind. [2] You may think it’s good to create an informal effect, or even that it’ s cool to use filler words （） _________________________________________________________________________

Which of the following is NOT a point you should remember in writing a memo？

A、Be rude to your reader

B、Be concise

C、Come to the point first

D、Be coherent.

______yelling at me like this？ It's you who are to blame for this affair.

A．Where is the point of

B．What is the point for

C．Where is the point as to

D．What is the point of

____yelling at me like this'？ It's you who are to blame for this affair.

A．Where is the point of

B．What is the point for

C．Where is the point as to

D．What is the point of

A.Where is the point of

B.where is the point as for

C.What is the point of

D.What is the point for

A．unity

B．coherence

C．support

D．thesis

We were just ______ calling you up ______ you came in, ______ was unexpected.

A．about; when; that

B．on the point of; as; as

C．on the point of; when; which

D．on the point of; as; as

A、Elastic modulus

B、Yield Point

C、Ultimate Strength

D、Fracture Point

A．At

B．In

C．To

D．As