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【单选题】
常温下，氨气为无色、有刺激性气味的气体，密度比空气小，极易溶于水。氨气溶于水显弱碱性，实验室可用氯化铵固体和氢氧化钙固体混合加热制取。则下列说法正确的是(　　)。
A.
可用向下排空气法收集氨气
B.
氨水能使紫色石蕊溶液变红色
C.
多余的氨气可排放到大气中
D.
实验室制氨气的发生装置与双氧水制氧气相同
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【单选题】听力原文：M: Hey, do you have Henry's new phone number? W: He couldn't remember when I saw him this morning, so he said he'd call me later and give it to me then. Q: What does the woman mean? (17)
A.
She forgot to phone Henry this morning.
B.
She does not know Henry's new phone number.
C.
Henry's phone number has not changed.
D.
The man should ask Henry for the phone number.
查看完整题目与答案
【单选题】银翘散组成的药物除金银花、连翘、荆芥穗、淡豆鼓、牛蒡子外,其余的药物是
A.
竹叶、杏仁、桔梗、甘草、
B.
苏叶、桔梗、芦根、甘草
C.
薄荷、杏仁、桔梗、甘草
D.
薄荷、竹叶、桔梗、甘草
E.
薄荷、杏仁、竹叶、甘草
查看完整题目与答案
【单选题】When an e-mail phone is being used to make phone calls, it ______.
A.
cannot receive new messages
B.
send out a signal of new messages
C.
cannot display e-mail messages
D.
automatically checks new messages
查看完整题目与答案
【单选题】关于构造柱的施工,下列说法错误的是( )。
A.
构造柱与墙体的连接处应砌成马牙槎，马牙槎应先进后退
B.
每一马牙槎高度不应超过 300mm
C.
沿墙高每 500mm 设置拉结钢筋
D.
砌体组砌的质量基本要求是：横平竖直、砂浆饱满、灰缝均匀、上下错缝、内外搭砌、接槎牢固
查看完整题目与答案
【单选题】任何工件在空间,不加任何约束,它有( )个自由度。
A.
3
B.
4
C.
6
D.
8
查看完整题目与答案
【单选题】The example of an Avril Lavigne phone is given to illustrate that ______.
A.
the new wireless phone has a bigger memory than the average one
B.
music-loving,fashionable teenagers are its target customers
C.
the functions of current mobile phones are very changeable
D.
its price is not very high concerning its various functions
查看完整题目与答案
【单选题】When the move is completed, staff will
A.
have their old phone numbers.
B.
be given new phone numbers.
C.
use some new and some old phone numbers.
查看完整题目与答案
【单选题】任何工件在空间不加约束，它都有（）个自由度。
A.
8
B.
6
C.
4
D.
3
查看完整题目与答案
【单选题】When an e－mail phone is being used to make phone calls，itA.cannot receive new messages．##
A.
When an e-mail phone is being used to make phone calls，it A.cannot receive new messages．
B.
send out a signal of new messages．
C.
cannot display e·mail messages．
D.
automatically checks new messages．
查看完整题目与答案
【单选题】This is my new cell phone!
A.
Really?
B.
I don't mind.
C.
Wow, it's very nice!
D.
What is your phone number?
查看完整题目与答案
相关题目：
【单选题】听力原文：M: Hey, do you have Henry's new phone number? W: He couldn't remember when I saw him this morning, so he said he'd call me later and give it to me then. Q: What does the woman mean? (17)
A.
She forgot to phone Henry this morning.
B.
She does not know Henry's new phone number.
C.
Henry's phone number has not changed.
D.
The man should ask Henry for the phone number.
查看完整题目与答案
【单选题】银翘散组成的药物除金银花、连翘、荆芥穗、淡豆鼓、牛蒡子外,其余的药物是
A.
竹叶、杏仁、桔梗、甘草、
B.
苏叶、桔梗、芦根、甘草
C.
薄荷、杏仁、桔梗、甘草
D.
薄荷、竹叶、桔梗、甘草
E.
薄荷、杏仁、竹叶、甘草
查看完整题目与答案
【单选题】When an e-mail phone is being used to make phone calls, it ______.
A.
cannot receive new messages
B.
send out a signal of new messages
C.
cannot display e-mail messages
D.
automatically checks new messages
查看完整题目与答案
【单选题】关于构造柱的施工,下列说法错误的是( )。
A.
构造柱与墙体的连接处应砌成马牙槎，马牙槎应先进后退
B.
每一马牙槎高度不应超过 300mm
C.
沿墙高每 500mm 设置拉结钢筋
D.
砌体组砌的质量基本要求是：横平竖直、砂浆饱满、灰缝均匀、上下错缝、内外搭砌、接槎牢固
查看完整题目与答案
【单选题】任何工件在空间,不加任何约束,它有( )个自由度。
A.
3
B.
4
C.
6
D.
8
查看完整题目与答案
【单选题】The example of an Avril Lavigne phone is given to illustrate that ______.
A.
the new wireless phone has a bigger memory than the average one
B.
music-loving,fashionable teenagers are its target customers
C.
the functions of current mobile phones are very changeable
D.
its price is not very high concerning its various functions
查看完整题目与答案
【单选题】When the move is completed, staff will
A.
have their old phone numbers.
B.
be given new phone numbers.
C.
use some new and some old phone numbers.
查看完整题目与答案
【单选题】任何工件在空间不加约束，它都有（）个自由度。
A.
8
B.
6
C.
4
D.
3
查看完整题目与答案
【单选题】When an e－mail phone is being used to make phone calls，itA.cannot receive new messages．##
A.
When an e-mail phone is being used to make phone calls，it A.cannot receive new messages．
B.
send out a signal of new messages．
C.
cannot display e·mail messages．
D.
automatically checks new messages．
查看完整题目与答案
【单选题】This is my new cell phone!
A.
Really?
B.
I don't mind.
C.
Wow, it's very nice!
D.
What is your phone number?
查看完整题目与答案