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要控制草坪杂草的危害,还需坚持“预防为主,综合治理”的方针,即因地制宜地组成以()除

题型:单项选择题

题目:

要控制草坪杂草的危害,还需坚持“预防为主,综合治理”的方针,即因地制宜地组成以()除草为主的综合防除体系。

A.人工

B.化学

C.物理

D.机械

答案:

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根据首字母提示,完成句子,使句意完整。

1. We had a d        about the children's likes now and in the past.

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3. To p_____ the wind from blowing the earth away,we should plant more trees.

4. A c        means a husband and his wife.

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7. Do you s         it will rain today?

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