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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】D What are you going to do if you are in a burning house How will you escape Do you know how to save yourself Please read the following passage. Escaping a fire is a serious matter. Knowing what to d...
A.
put out the fire in the burning house
B.
know the ways to escape the fire
C.
jump off a burning house
D.
keep the door closed
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
if the engine moves too fast
B.
if the engine’s amplitude increases
C.
if a tire gets out of balance
D.
if damage occurs in the engine
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
the speed of a motor in revolutions
B.
the frequency at which a motor vibrates
C.
the amplitude of an engine that oscillates
D.
the changes in a dial within a ear engine
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
vibrate
B.
resonate
C.
swing
D.
oscillate
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
revolution
B.
movement
C.
frequency
D.
amplitude
相关题目：
【单选题】天气图中 500hpa 等压面图平均高度大约是（）。
A.
1800m
B.
5500m
C.
7400m
D.
9500m
【判断题】榫卯是我国古典建筑的主要连接方式,凸出部分为榫,凹入部分为卯。
A.
正确
B.
错误
【单选题】D What are you going to do if you are in a burning house How will you escape Do you know how to save yourself Please read the following passage. Escaping a fire is a serious matter. Knowing what to d...
A.
put out the fire in the burning house
B.
know the ways to escape the fire
C.
jump off a burning house
D.
keep the door closed
【单选题】对流层的平均高度（）
A.
夏季低，冬季高
B.
低纬度低，高纬度高
C.
A.B都对
D.
A.B都错
【单选题】对流层的平均高度约为()
A.
8km
B.
11km
C.
14km
D.
17km
【单选题】正常睑裂的平均高度是
A.
8mm
B.
7mm
C.
9mm
D.
10mm
E.
6mm
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
if the engine moves too fast
B.
if the engine’s amplitude increases
C.
if a tire gets out of balance
D.
if damage occurs in the engine
【判断题】榫卯是我国古典建筑的主要连接方式，凸出部分为榫，凹入部分为卯。
A.
正确
B.
错误
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
the speed of a motor in revolutions
B.
the frequency at which a motor vibrates
C.
the amplitude of an engine that oscillates
D.
the changes in a dial within a ear engine
【单选题】Questions 62 to 66 are based on the following passage. If a mother pushes her small son in a swing (秋千), giving only a light force each time he returns, ually he will be swingirg.quite high. The ...
A.
revolution
B.
movement
C.
frequency
D.
amplitude
【单选题】500百帕等压面的平均高度约为（）
A.
1500米
B.
3000米
C.
5500米
D.
7000米
【单选题】半地下室是指房间地面低于室外设计地面的平均高度大于该房间平均净高( ),且不大于 1/2 者。
A.
1/3
B.
1/4
C.
1/5
D.
2/3
【单选题】陆地的平均高度约是多少？
A.
500多米
B.
700多米
C.
900多米
D.
1100多米
【单选题】对流层的平均高度（）
A.
夏季低，冬季高
B.
低纬度低，高纬度高
C.
A.B都对
D.
A.B都错
【单选题】陆地的平均高度是（）。
A.
0.58km
B.
0.88km
C.
0.68km
D.
0.78km