【简答题】A) By bus. B) On foot. C) By taxi. D) By bicycle
【简答题】听对话及问题选择答案。 ( )1. A. noodles ( )2. A. A dog ( )3. A. By bus ( )4. A. 7:50 ( )5. A. Friday B. rice and noodles B. A cat B. By car B. 8:00 B. Saturday C. rice and meat C. A horse C. ...
【单选题】听力原文:M:David said he could give us a ride to the shopping center tonight. W:I wish he could,but his car needs repairing and is in the garage now. Q:What does the woman mean? (15)
A.
They will give a ride to David.
B.
David's car was repaired just now.
C.
David's car will be ready tonight.
D.
David can't do what he has promised.
【多选题】关于紫外线消毒,下列说法正确的有()
A.
它可以是固定式的,也可以是活动式的,但距离被照射物不超过1.2m为宜
B.
紫外线消毒方便实用,但不能彻底灭菌,特别是对细菌的芽孢杀灭效果较差
C.
外线对人体有伤害作用,不可直视,更不能在开着的紫外灯光下工作
D.
可见光能复活生物体中的光复活酶,使核酸形成的嘧啶二聚体拆开复原,所以不能同时开启日光灯和紫外灯
【单选题】在酶的发酵生成过程中,在保证正常的发酵工艺条件的情况下,还可以通过添加诱导物等措施提高酶的产量,其中关于诱导物的说法不正确的是( )
D.
诱导物既可能是酶催化的底物,也可能是底物类似物;
【简答题】胸大肌起于(),止于(),使翼();胸小肌起于()止于()使翼()。
【简答题】肋间外肌起于(),止于(),作用为()。肋间内肌起于(),止于(),作用为()。