题目内容
根据句意及各题后括号中所给的汉语意思，从下面的方框中选择合适的单词或词组，用其适当形式填空。
1．The oil spill ________(威胁)thousands of birds．
2．But he still ________(保留)his opinion on some points．
3．Dinosaurs are ________(灭绝的)animals．
4．She ________(奋力)to lift the heavy basket．
5．He was wearing dark glasses to ________(保护)his eyes from the sun．
6．He has a high ________(理想)in life．
7．His teacher said that he was not ________(值得)teaching．
8．The government has ________(没收)the illegally imported goods．
9．He is in no ________(情形)to attend school．
10．The meeting will begin in 10 minutes, ________(与此同时)we can sing a few songs．
11．Jill does not want to come because she’s too ________(忙于)in her sewing．
12．The children looked up in ________(惊讶)at the big elephant．
13．You’d better not be ________(参与)in such things．
14．The sheep ________(以……为食)grass．
15．The letters PLA ________(代表)the People’s Liberation Army．
16．They set up many ________(分公司)throughout the country．
17．We often speak of seven ________(大陆)．
18．When studying, he ________(集中于)his mind on his lessons．
19．The students have shown youthful ________(精力)．
20．When the sun started to go down, he stopped and ________(支起)a tent．
解析：
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1．endangered 2．reserved 3．extinct 4．struggled 5．protect 6．ideal 7．worth 8．confiscated 9．condition 10．meanwhile 11．involved 12．wonder 13．concerned 14．feed on 15．stand for 16．branches 17．continents 18．focused 19．energies 20．set up |
