Lucy and Lily talk instead of________ .[ ]
A. work
B. to work
C. working
D. works
答案:C
写作
You are supposed to write a composition on the topic Making Friends Selectively or Extensively.
You should write about 150 words and base your writing on the outline given below:
1. 有些人认为应该有选择地交朋友;
2. 另一些人认为应该广泛地交朋友;
3. 你的看法。
Making Friends Selectively or Extensively?
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按照我国生活饮用水现行标准(GB/T5750.12-2006)的规定,应用酶底物法检测生活饮用水中的总大肠菌群时,水样的培养时间为()。
A.12小时
B.24小时
C.32小时
D.48小时
E.72小时