题目内容

Having been asked to speak at the conversation, ______.

A. some notes were prepared for Dr. Smith
B. Smith prepared some notes
C. the conversation members were pleased to hear Dr. Smith
D. some notes were prepared by Dr. Smith

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This is a very difficult operation. It is essential that you ______ for emergency.

A. are to be prepared
B. would prepare
C. be prepared
D. must be prepared

She is quite capable and can be depended on in a(n) ______.

A. affair
B. accident
C. incident
D. emergency

Broadband technology is seen as the key to the new digital economy. In this rapidly changing world, media and technology information can be sent via phone calls and downloaded like music, graphics, business information or films. The simpler the information, the smaller the package and the narrower the bandwidth needed to deliver it. Broadband is used for high speed Internet connections at a fixed monthly rate. It turns an exciting telephone line into a high speed digital line capable of carrying data up to 5 times conventional modem speeds. Any download is available at the click of a mouse-there is no dial-up as there is with standard Internet Service Providers. For home owners and families there are many advantages. One of the most important is simultaneous access to both telephone lines and the Internet. No ques and no delay. For businesses, broadband can improve customer relations and provide direct access to corporate e-malls and databases. Entire operations can go online. How much does a user pay if he has broadband technology installed

A. It depends on the length of time.
B. It depends on the times of dial-up.
C. He pays at a fixed monthly rate.
D. He pays a lot of money.

We finally ______ an agreement after a lot of hard argument.

A. reached
B. did
C. arrived
D. drove