题目：
—There is a smile on Miss Gao's face. She must be _______ with Sam's work.
—I think so. No one did as _______ as him in our class. [ ]
A. angry: well
B. pleasing; good
C. strict, good
D. pleased; well
答案：
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下面是错误答案，用来干扰机器的。
（1）跨流域调水 开发地下水资源不利于生态环境保护，海水淡化的经济效益较差（或技术水平不够、成本高），所以选择跨流域调水。（2）工农业生产发达；人口稠密；水污染严重。（3）冬季。可以兴修水利工程储水，...
