短文完成:
dying, to, on
A. will contribute more (1)_____ the solution of these grave problems
B. at a time when many children (2)______ this Earth are starving to death
C. I did not know that there are children (3)______ from hunger
You asked in your letter how I could suggest the expenditures of billions of dollars for a voyage to Mars, (4)_____. I know that you do not expect an answer such as "Oh, (5)_____, but from now on I will desist from any kind of space research until mankind has solved that problem!" In fact, I have known of famined children long before I knew that a voyage to the planet Mars is technically feasible. However, I believe, like many of my friends, that travelling to the Moon and eventually to Mars and to other planets is a venture which we should undertake now, and I even believe that this project, in the long run, (6)______ we are facing here on Earth than many other potential projects of help which are debated and discussed year after year, and which are so extremely slow in yielding tangible results.
参考答案及解析:
1.to 本题考查了contribute to的固定搭配。
2.on 本题考查了“在地球上”应该用介词on。
dying 因为空格后已经有了介词from,故此处只有dying合适。并且,本句是一个宾语从句,从句主谓宾齐全,故后面内容为定语修饰children。
3.B 本句主谓宾都有,把三个选项放入空格中,A项是一个却少主语的句子,不符合;B项是一个介词短语,介词短语中又有when引导的时间状语从句,放到空格中,介词短语做时间状语,符合句法结构,故正确。
4.C but是一个转折连词,后面是一个句子,故前面也应该是一个并列的句子。故C项正确。
5.A 分析句子结构,可知主句是宾语从句,从句中this project是主语,缺少谓语动词,故A项正确。注意,in the long run是插入语,分析句子结构时可以把插入语去掉。
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