第4题: [多项选择]下列关于斗槽式取水构筑物位置设置和使用条件的叙述中,哪几项正确?() A. 斗槽式取水构筑物应设置在河流凹岸靠近主流的岸边处 B. 顺流式斗槽构筑物适宜在含砂量大,冰凌情况不严重的河流取水 C. 逆流式斗槽取水构筑物适用于含沙量大,冰凌情况严重的河流取水 D. 双流式斗槽适用于在含砂量大,冰凌情况严重的河流取水 参考答案:A, B, D
第5题: [单项选择]腭裂术后何时即可开始进行语音矫治() A. 1~2周 B. 3~4周 C. 6~8周 D. 3~6个月 E. 12个月 参考答案:B
第24题: [单项选择]A. There is no need to include sex in medical research. B. Sex should be taken into account in medical research. C. Sex will sometimes affect the medical research results. D. Different sexes do not influence the medical research results. 参考答案:B 答案解析:[听力原文] Which one is right about the role of sex in the medical research