These stones, each _____ as much as four

题型:选择题

问题:

These stones, each _____ as much as four tons, came from the Alps Mountains.

A.weighed

B.weighs

C.to weigh

D.weighing

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题
若m∈{-2,-1,1,2},n∈{-2,-1,1,2,3},则方程
x2
m
+
y2
n
=1
表示的是双曲线的概率为______.
题型:选择题

关于药物代谢的错误表述是()

A.药物代谢是药物在体内发生化学结构变化的过程

B.参与药物代谢的酶通常分为微粒体酶系和非微粒体酶系

C.通常代谢产物比原药物的极性小、水溶性差

D.药物代谢主要在肝脏进行,也有一些药物肠道代谢率很高

E.代谢产物比原药物更易于从肾脏排泄

题型:选择题

根据所给信息补全对话,每空一词。

Mary: Hi, Betty, can you come to my l. _______2. _______?

Betty: Sure. I'd 3. _______  4. _______   5. _______ 6_______ is it?

Mary: It's at 7. _______ on 8. _______

Betty: But where is it?

Mary: In 9. _______ house,4 New Street.

Betty: OK. I'm 10. _______soon.

题型:选择题

班前主要注意的安全事项是什么?

题型:选择题

吊篮在使用时,动力钢丝绳所受拉力不应()钢丝绳的破断拉力

A.小于

B.等于

C.大于

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