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30、When a ship that sank in 1628 was recovered from the port of Stockholm, the scientists were overjoyed with the chance _____ the remains of the past.

A. examine                   B. examining          C. to examine                D. examined

29、The scientists are trying to find out what ______ caused the dolphins to strand themselves, a strange animal behavior hard to understand.

     A. was it that            B. that was that    C. was that which      D. it was that

28、The government has revised the budget, 5% of______ will be used to help develop the medium  and small sized enterprises.

     A. that                  B. whose        C. which            D. as

27、―Could we see each other at 3 o’clock this afternoon?

―Sorry, let’s make it _______ time..

A．other                        B．the other             C．a(chǎn)nother               D．other’s

26、Dogs have a very good _______ of smell and are often used to search for survivors in an earthquake.

A．sense                       B．view                    C．means                 D．idea

25、He stood _______ to his professor and watched _______ what he was doing.

A．close, close             B．closely, close        C．close, closely       D．closely, close

24、―Please tell Bruce he has won the first prize in the maths contest.

―________! He never did so well before.

A. Congratulations                              B. Good luck 

C. That’s right                                 D. What a good surprise

23、

People say that the Englishman’s home is his castle，_________ means that the home is very important and personal．

 A．where                B．that              C．which                    D．a(chǎn)s

22、All the preparations for the task________, and we’re ready to start．

A．completed                                          B．complete 

C．have been completed                           D．had been completed

21、一Will the Smiths go abroad this autumn?

―No, they finally decided________.

A．to                        B．not to                     C．not going                      D．not to have gone