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【英语模拟题】
4. The CERN anniversary event celebrated how the creation of the World Wide Web launched a technological revolution that ______ life in many ways.
A. had improved B. improved
C. has improved D. improves
5. Currently, scientists depend mainly on cameras in the wild to ______ animals.
A. keep in touch with B. keep away from
C. keep track of D. keep up with
6. There is ______ for a businessman ______ failing to meet the sales target.
A. nothing more frustrating...than... B. nothing such frustrate...what...
C. nothing much more frustrated...that... D. nothing much frustrated...that...
