问题
判断题
有限深透水地基上的心墙坝，一般都做有截水槽以拦截透水地基渗流。心墙土料的渗透系数常比坝壳土料的小得多，故可近似地认为上游坝壳中无水头损失，心墙前的水位仍为水库的水位。（）
答案
参考答案：对
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有限深透水地基上的心墙坝，一般都做有截水槽以拦截透水地基渗流。心墙土料的渗透系数常比坝壳土料的小得多，故可近似地认为上游坝壳中无水头损失，心墙前的水位仍为水库的水位。（）
参考答案：对
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| Wei Hua is a high school student and he is pretty healthy. He does 1 every day. He does it usually when he comes home 2 school. And his eating _3_are pretty good. He tries to eat more vegetables, usually ten to eleven 4 a week. He eats fruit 5 drinks milk every day. Of course, he loves junk food, 6 . But he tries to eat it only once a week. He usually keeps 7 eight or nine hours every day. So you see, he looks very 8 and happy. And his good lifestyle(生活方式) helps him 9 clever, too. Eating healthy food and doing exercise help him to study 10__. |