在环境问题上，我们所面临的困境不是由于我们，而是我们尽力了，但却无法遏制环境恶化的势头，这是一个信号：把魔鬼从瓶子里放出来的人类，已经失去把魔鬼再装回去的能力。 填入划横线部分最恰当的一项是。
A.无所顾忌
B.无所不为
C.无所事事
D.无所作为
参考答案：D
解析：解析 阅读题干可知，文段中出现了反向并列关联词“不是…而是…”，说明横线处的词义应该与“而是”后面的“我们尽力了”语义和感情色彩相反，也就是要填入表示“我们什么都没有做的”词语，故选D。 考点：成语填空
| 完形填空。 Dear Li Fei, Hi! I'm Jim. _ 16 _ to meet you. It's very exciting to have a Chinese friend ! In America, schools _ 17 at eight- thirty, so I get up _ 18 _ seven o'clock. What 19 do schools start in China? In our school, we have a lot of subjects. My favorite subject is history, 20 I think it's interesting and I really like my 21 Mr. Hall. What's your favorite subject? My last class is at four o'clock, and 22 school I like to play basketball. Can you play basketball? I can play 23 violin but I can't play 24 very well. What are your hobbies? Please tell me about 25 life in China. Best wishes, | ||||
|