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【单选题】
对溴新斯的明描述错误的是A.
具有季铵盐结构
B.
口服后在肠内被大部分破坏
C.
尿液中可检出2个代谢产物
D.
口服剂量应远大于注射剂量
E.
以原形药物从尿中排出
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【单选题】The door may fall down any time. We will have it_______. [ ]
A.
fixed
B.
built
C.
made
D.
painted
【单选题】If the dog hadn't woken us, we wouldn't have noticed the fire and it _______ to the house next door. [ ]
A.
could spread
B.
should have spread
C.
would spread
D.
might have spread
【简答题】光敏二极管是一中利用 单向导电性的结型光电器件。
【简答题】四级考试有哪几项题型
【简答题】We ________ our breakfast when an old man came to the door. A) just have had B) have just had C) just had D) had just had
【多选题】在轴突运输中,有关 “ 膜泡被运输 ” 的正确说法是( )。
A.
由驱动蛋白驱使，朝微管正端运动
B.
由驱动蛋白驱使，朝微丝正端运动
C.
由动力蛋白驱使，朝微管负端运动
D.
由驱动蛋白驱使，朝微管负端运动
E.
由动力蛋白驱使，朝微丝正端运动
【单选题】We’ll have to find someone to have a look at the door. It won’t _________.
A.
shut
B.
be shut
C.
be shutting
D.
shutting
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