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【单选题】
人体第二大消化腺是A.
肝脏
B.
胆囊
C.
唾液腺
D.
胰腺
E.
舌下腺
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举一反三
【单选题】As space of our office is limited Is it possible to pile cartons here?
A.
No. Something more important is expected to be put here So, you’ve got to find somewhere to pile cartons.
B.
No. This place is not vacant. You mustn’t pile anything here
C.
No. This is an emergency exit. You mustn’t pile anything here
D.
Maybe you can. If you manage to persuade them to let you pile cartons, you can do that.
【单选题】职业病防治法确立了我国()的职业病防治工作基本方针和“分类管理、综合治理”的职业病防治管理原则。
A.
“预防为主、防治结合”
B.
“先预防、后治理”
C.
“边预防、边治理”
【单选题】脉冲调宽式晶体管调压器中，将发电机电压与基准电压的偏差信号转变为相应宽度的脉冲的电路是：（）.
A.
电压检测比较电路
B.
调整电路
C.
整形放大电路
D.
控制执行电路
【简答题】T here is no beam but will deform more or less under the action of forces .(双重否定)
【简答题】二、完成句子 11. _____ we now appreciate and admire by travelling here is no more than the ancient Chinese scholars' goodwill of preserving the books for the future generations
【简答题】我国《职业病防治法》是()(日期)实施的，职业病的防治方针是()。
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