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【判断题】
由分散质和分散剂组成的分散系一定是溶液。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】As long as you keep on hard, you’ll get promoted sooner or later.
A.
work
B.
be working
C.
worked
D.
W
E.
working
【单选题】A s long as you keep on hard, yo u’ ll get promoted sooner or later.
A.
work
B.
be w orking
C.
w orked
D.
working
【单选题】题目 执行菜单命令【编辑】/【预置】可以打开【预置】对话框,其快捷组合键是( )
A.
SHIFT + B
B.
CTRL + B
C.
ALT + K
D.
CTRL + K
【多选题】磺胺类药物结构中多含有芳香第一胺基,故可利用其进行鉴别的反应有
A.
重氮化-偶合反应
B.
成铜盐反应
C.
与芳醛缩合反应
D.
硫色素反应
E.
二氯靛酚钠反应
【单选题】听力原文:W: I want to take a bath before going to bed. Could you keep an eye on the baby, honey? M: Sure, should I feed him if he wakes up? Q: What does the woman ask the man to do? (17)
A.
To feed the baby.
B.
To bathe the baby.
C.
To wake the baby up.
D.
To take care of the baby.
【单选题】---Do you______ your friends by sending e-mails or on the phone? ---_______. I talk with them on my QQ. A. keep in touch with, Either B. talk with, Both C. keep in touch w ith, Neither
A.
keep in touch with, Either
B.
talk with, Both
C.
keep in touch w ith, Neither
D.
【单选题】不需要编址的数据存储空间是( )。
A.
CPU中的通用寄存器
B.
主存储器
C.
I/O接口中的寄存器
D.
堆栈
【单选题】CPU中的通用寄存器( )。
A.
只能存放数据,不能存放地址
B.
只能存放地址,不能存放数据
C.
既能存放数据,又能存放地址
D.
能存放数据和地址,还能代替指令寄存器
【简答题】磺胺类药物结构中多含有芳香第一胺基,故可利用其进行鉴别的反应有
【单选题】听力原文:W: I'm so fired. I can't keep my mind on what I'm doing. You know tomorrow is my English test and I'm nervous. M: Why don't you take a few minutes off? Have a cup of coffee and you can relax your...
A.
To have a little talk.
B.
To let believes a break.
C.
To help her with her English.
D.
He wanted a cup of coffee.
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