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【单选题】
下列关于官能团的判断中说法错误的是A.
A ．醇的官能团是羟基（－ OH ）
B.
） B ．羧酸的官能团是羟基（－ OH ）
C.
C ．酚的官能团是羟基（－ OH ）
D.
D ．烯烃的官能团是双键
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举一反三
【单选题】听力原文：M: I've forgotten my passbook, but I'd like to make a deposit to my savings account if I may. W: No problem, just bring this receipt with you the next time you come in, along with your passbook, ...
A.
At the bank.
B.
At the customs office.
C.
At the library.
D.
At the post office.
【简答题】物理地址(PA)是 位无符号二进制数,是CPU访问存储器的实际地址。每个存储单元对应 个物理地址。8086存储空间的物理地址范围是:00000H~ 。
【单选题】下面哪一项属于竖向不规则的条件( )?
A.
A 抗侧力构件的层间受剪承载力大于相邻上一层的80%
B.
该层的侧向刚度小于相邻上一层的70%
C.
楼层质量小于相邻下层质量的1.5倍
D.
该层的侧向刚度小于其上相邻三个楼层侧向刚度平均值的85%
【单选题】听力原文：M: I've forgotten my passbook. I'd like to make a deposit to my savings account if I may. W: No problem. Just bring this receipt with you the next time you come in along with your passbook, and w...
A.
At a reception desk.
B.
At a store.
C.
In a bank.
D.
In a hotel.
【简答题】I remember______(pay)for the job, but I have forgotten the exact amount．
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