A computer can only do ________ you have instructed it to do.

试卷相关题目

• 1—Have you been to New Zealand? —No. I'd like to, ____________

  A.too

  B.though

  C.yet

  D.either

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• 2Just because they make more money than I do, _______ they seem to look down on me.

  A.so

  B.and

  C.but

  D.不填

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• 3—Did you return Fred's call? —I didn't need to ____ I'll see him tomorrow.

  A.though

  B.unless

  C.when

  D.Because

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• 4Don't come _______ you are invited.

  A.unless

  B.if not

  C.why

  D.that

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• 5—Oh, I failed again —Don't lose heart. One more time, ________ you will succeed.

  A.so that

  B.therefore

  C.however

  D.and

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• 634. We knew we were getting close to the park _________ we started seeing the tiger right next to the road.

  A.when

  B.before

  C.while

  D.Until

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• 7_______ well prepared you are, you still need a lot of luck in mountain climbing.

  A.However

  B.Whatever

  C.No matter

  D.Although

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• 8I'm thinking about going to Germany this summer and I need your advice. You're the best person I know to answer my questions, _______  you're German.

  A.after

  B.before

  C.for

  D.unless

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• 9It will take us another five years______the construction of all the 121 roads is completed.

  A.when

  B.since

  C.before

  D.After

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• 10This year's fall in profits was not unexpected _______ ,it is very disappointing.

  A.Otherwise

  B.But

  C.However

  D.Nevertheless

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