请你推断,用糖拌新鲜的番茄片,番茄果肉细胞的液泡将会出现的变化是 ( ) A.缩小 B.胀大 C.正常 D.没有
32. Was it through your roommate _____ was working at a supermarket _____ you got to know your husband? A. who; which B. that; who C. who; that D. that; where
下列各项反射活动中,与“谈虎色变”这一反射类型相同的是( ) A. 人的踢腿反射 B.精彩的哑剧引发观众
在双缝干涉实验中,用氦氖激光器作光源,其发出的红光频率为4.74×1014 Hz,从双缝射出的光的振动情况完全相同,它们到达光屏上某点的路程差为2 531.6 nm.
-What kind of noodles would you like? -__________________________________ A. Mutton and tomatoes noodles B. Mutton and tomato noodles C. M
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结合下列装置图回答问题: (1)写出图中有标号仪器的名称:a ;(2)实验室制取和收集CO2气体时,应选用 (填序号);(3)不能
The girls ______into the company recently have to receive strict training before they start to work. A.accepted `B.accepting C.admitted