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【单选题】
亚慢性毒性试验主要目的是()A.
预测有无潜在性危害
B.
探讨剂量反应关系
C.
探讨阈剂量及最大无作用剂量
D.
为其他试验剂量设计提供数据
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反馈参考答案：
举一反三
【简答题】写一个函数fun,使输入的一个字符串按反序存放,在主函数main中输入和输出字符串。
【简答题】表达式 0 or 5的值为
【简答题】v. pull hard at sth. or push hard against sth. 使劲拉,绷紧
【单选题】听力原文：M: The bank is so crowded that it is so hard to pull me through in the line. W: Well, usually it is the case in the morning. You can shift your time to avoid the peak hour. Q: What does the woman...
A.
Choose other time.
B.
Choose another bank.
C.
Pull through the crowds.
D.
Come to the bank in the morning.
【单选题】This made the car _______ it brake hard and pull up.
A.
follow
B.
following
C.
to follow
D.
followed
【单选题】听力原文：M：The bank is so crowded that it is so hard to pull me through in the line。 W：Well! Usually it is the case in the morning．You can shift your time to avoid the peak hour． Q：What does the woman sug...
A.
Pull through the crowds.
B.
Come to the bank in the morning.
C.
Choose another bank.
D.
Choose other time.
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