题目内容

With the development of rural tourism, some problems arise which __________ the sustainable development.

A. reduce
B. check
C. reflect
D. affect

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She had managed to pull herself together and, to her credit, continued to look upon life as a _________ experience.

A. positive
B. objective
C. negative
D. effective

A word from the teacher will have a great ________ on my daughter.

A. example
B. fact
C. effect
D. affect

John had to __________ the invitation to the party last weekend because he was too busy.

A. lead to
B. look into
C. watch out
D. turn down

1900年,德国著名物理学家()提出了“量子”概念。

A. 爱因斯坦
B. 普朗克
C. 牛顿
D. 开尔文

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