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【单选题】
气象因素对毒物的毒性会造成影响，高温对毒性的影响主要表现在以下几个方面，除了A.
经皮肤吸收化合物的速度增加
B.
经呼吸道吸收化合物的速度增加
C.
经胃肠道吸收化合物的速度增加
D.
随尿液排泄化合物或其代谢物减少
E.
化合物或其代谢物易于在机体内
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反馈参考答案：
举一反三
【单选题】There is a direct flight at 20:00 in the afternoon or a flight at 9:30 in the morning that______ in Chicago.
A.
stops by
B.
stops over
C.
pulls up
D.
drops in
【单选题】Is the flight a direct flight?
A.
Yes
B.
No, it has a stopover.
C.
It is not mentioned.
【单选题】Why does the woman have to change her flight in Madrid?
A.
There's no direct flight.
B.
There's no seat available on direct flight.
C.
She wants to leave tomorrow morning.
D.
She will contact some people at Madrid.
【单选题】The key word in Paragraph 4 is ______.
A.
disability
B.
ignorance
C.
prejudice
D.
barriers
【单选题】There is a direct flight at 3:00 or a flight at 7:30 in the morning that ______ in Los Angeles.
A.
stops by
B.
stops in
C.
stops over
D.
stops up
【单选题】The key word in Paragraph 4 is ______.
A.
barriers
B.
ignorance
C.
disability
D.
prejudice
【简答题】按照车门开启及结构形式主要分为( )和( )。
【单选题】This type of key is used to link rows from one table to the rows in another table.
A.
Primary key
B.
Foreign key
C.
Encryption key
D.
Public key
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