皮皮学，免费搜题
登录
搜题
【单选题】
取麝香仁少量,置坩埚中灼烧,不应出现的现象是
A.
有浓烈特异香气
B.
轻微爆鸣声
C.
熔化膨胀起泡似珠
D.
有火焰或火星
E.
留下灰白色灰烬
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Before she went abroad she spent as much time as she could ______ English.
A.
practise to speak
B.
practising speaking
C.
practise speaking
D.
to practise speaking
查看完整题目与答案
【单选题】．It was a long time before she_________ to what he had said.
A.
caught on
B.
went on
C.
went up
D.
caught up
查看完整题目与答案
【单选题】大众桑塔纳 2000型轿车,燃油是通过喷油器喷射在 ( ) 。 A. 燃烧室内; B . 空气滤清器处; C . 节气门处; D . 进气门处
A.
燃烧室内； B . 空气滤清器处； C . 节气门处； D . 进气门处
B.
B . 空气滤清器处； C . 节气门处； D . 进气门处
C.
C . 节气门处； D . 进气门处
D.
D . 进气门处
查看完整题目与答案
【单选题】What did Laura do before she went to college?
A.
She went to travel.
B.
She went to work.
C.
She just stayed at home.
D.
She did volunteer jobs.
查看完整题目与答案
【单选题】______the house was started before she went to Africa and now it is still under construction.
A.
Working
B.
Working at
C.
Working on
D.
Work on
查看完整题目与答案
【单选题】大众桑塔纳2000型轿车,燃油是通过喷油器喷射在( )
A.
燃烧室
B.
空气滤清器
C.
节气门出口
D.
进气门处
查看完整题目与答案
【单选题】大众桑塔纳2000型轿车，燃油是通过喷油器喷射在（）
A.
燃烧室内
B.
空气滤清器处
C.
节气门处
D.
进气门处
查看完整题目与答案
【简答题】How did Jane spend her days before she went back to work?
查看完整题目与答案
【单选题】适用于室外管网供水压力周期性不足情况的给水方式是( )。
A.
单设水箱的给水方式
B.
采用变频泵的给水方式
C.
设水泵和水箱的给水方式
D.
气压给水方式
查看完整题目与答案
【单选题】She _____ the door before she went away.
A.
had locked
B.
is locking
C.
has locked
D.
was locking
查看完整题目与答案
相关题目：
【单选题】Before she went abroad she spent as much time as she could ______ English.
A.
practise to speak
B.
practising speaking
C.
practise speaking
D.
to practise speaking
查看完整题目与答案
【单选题】．It was a long time before she_________ to what he had said.
A.
caught on
B.
went on
C.
went up
D.
caught up
查看完整题目与答案
【单选题】大众桑塔纳 2000型轿车,燃油是通过喷油器喷射在 ( ) 。 A. 燃烧室内; B . 空气滤清器处; C . 节气门处; D . 进气门处
A.
燃烧室内； B . 空气滤清器处； C . 节气门处； D . 进气门处
B.
B . 空气滤清器处； C . 节气门处； D . 进气门处
C.
C . 节气门处； D . 进气门处
D.
D . 进气门处
查看完整题目与答案
【单选题】What did Laura do before she went to college?
A.
She went to travel.
B.
She went to work.
C.
She just stayed at home.
D.
She did volunteer jobs.
查看完整题目与答案
【单选题】______the house was started before she went to Africa and now it is still under construction.
A.
Working
B.
Working at
C.
Working on
D.
Work on
查看完整题目与答案
【单选题】大众桑塔纳2000型轿车,燃油是通过喷油器喷射在( )
A.
燃烧室
B.
空气滤清器
C.
节气门出口
D.
进气门处
查看完整题目与答案
【单选题】大众桑塔纳2000型轿车，燃油是通过喷油器喷射在（）
A.
燃烧室内
B.
空气滤清器处
C.
节气门处
D.
进气门处
查看完整题目与答案
【简答题】How did Jane spend her days before she went back to work?
查看完整题目与答案
【单选题】适用于室外管网供水压力周期性不足情况的给水方式是( )。
A.
单设水箱的给水方式
B.
采用变频泵的给水方式
C.
设水泵和水箱的给水方式
D.
气压给水方式
查看完整题目与答案
【单选题】She _____ the door before she went away.
A.
had locked
B.
is locking
C.
has locked
D.
was locking
查看完整题目与答案