题目

完形填空     Computers are now as commonly used in business as the telephone. Therefore, it's important that people know how 1 them efficiently (有效地). Now, you and your whole team are 2 to do this on the computer in the simplest way—taking our online courses. And then you can learn and practice 3 yourself.     The person 4 appears on the screen acts as your teacher, guiding you through the tasks 5 explaining everything. Then more difficult exercises allow you to practice the things you 6 learned and test your understanding.     7 courses are excellent value—only 69.99 pounds. You 8 save yourself money if you buy the complete collection of seven courses. This is now available at the retail(零售) 9 of 410 pounds. You can make a 10 saving of 10% by ordering the complete collection within the next thirty days. （1） A . to use B . use C . using D . used （2） A . able B . unable C . ably D . disable （3） A . to B . in C . by D . on （4） A . which B . who C . what D . whom （5） A . or B . but C . and D . nor （6） A . had B . have C . has D . having （7） A . These B . Each C . Every D . Either （8） A . must B . ought C . need D . can （9） A . money B . worth C . shop D . price （10） A . far B . further C . close D . closer 答案：（1）A；（2）A；（3）C；（4）B；（5）C；（6）B；（7）A；（8）D；（9）D；（10）B；

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