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【单选题】
空燃比15:1表示( ) 。
A.
15kg的空气比1kg的燃油
B.
15cc的空气比1cc的燃油
C.
15cm 的空气比 1cm 的燃油
D.
15mmHg 的空气比 1mmHg 的燃油
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参考答案：
举一反三
【单选题】He was attending a meeting , ________ come to your birthday party then.
A.
unless he would have
B.
or he would
C.
nevertheless he did not
D.
or he would have
查看完整题目与答案
【单选题】He was hoping to go abroad but his parents _____ that they won't support him unless he can borrow money from the bank. [     ]
A.
were deciding
B.
have decided
C.
decided
D.
will decide
查看完整题目与答案
【单选题】—般地区,当屋面允许采用无组织排水时,散水宽度应比屋面挑檐宽出( )。
A.
100~200 mm
B.
200~300 mm
C.
300~400 mm
D.
400~500 mm
查看完整题目与答案
【单选题】通风机日常维护保养要求做到()
A.
保持轴承润滑良好,温度不超过65℃
B.
保持冷却水畅通,出水温度不超过35℃
C.
注意风机有无条音、报动,地脚和紧固件是否松动,保持设备清洁,零部件齐全
D.
以上三种要求
查看完整题目与答案
【单选题】CO2 气瓶使用 CO2 气体电热预热器时,其电压应采用( )V。
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【单选题】He will certainly come unless he is ill.
A.
只要他没有病倒，就一定会来的。
B.
除非他病倒，他就一定会来的。
C.
..
D.
...
查看完整题目与答案
【单选题】When a major power outage left even Times Square eerily dark, New York City's faithful headed out of their hot apartments and stuffy office cubicles and did what came naturally. They headed to their l...
A.
Because most of New Yorkers are religious.
B.
Because city people usually stay at office and home, especially do New Yorkers.
C.
Because New Yorkers are very hard working.
D.
Because New Yorkers seldom drink.
查看完整题目与答案
【单选题】Which of the following statements is true according to Dr. Moody?
A.
Those who laugh are healthy people.
B.
A doctor may diagnose a patient by checking his ability to laugh.
C.
Those who don't laugh are unhealthy people.
D.
Laughter alone can get people through hard work.
查看完整题目与答案
【简答题】阅读理解。 When she graduates from Columbia University next year with a 's degree in Public health, Eric Wheeler is hoping to get a job in international reproductive(生殖) health. The 26-year-old post-...
查看完整题目与答案
【单选题】He will certainly come unless he is ill .
A.
只要他 没有病倒 ，就一定会来的。
B.
除非他 病倒 ，他就一定会来的。
查看完整题目与答案
相关题目：
【单选题】He was attending a meeting , ________ come to your birthday party then.
A.
unless he would have
B.
or he would
C.
nevertheless he did not
D.
or he would have
查看完整题目与答案
【单选题】He was hoping to go abroad but his parents _____ that they won't support him unless he can borrow money from the bank. [     ]
A.
were deciding
B.
have decided
C.
decided
D.
will decide
查看完整题目与答案
【单选题】—般地区,当屋面允许采用无组织排水时,散水宽度应比屋面挑檐宽出( )。
A.
100~200 mm
B.
200~300 mm
C.
300~400 mm
D.
400~500 mm
查看完整题目与答案
【单选题】通风机日常维护保养要求做到()
A.
保持轴承润滑良好,温度不超过65℃
B.
保持冷却水畅通,出水温度不超过35℃
C.
注意风机有无条音、报动,地脚和紧固件是否松动,保持设备清洁,零部件齐全
D.
以上三种要求
查看完整题目与答案
【单选题】CO2 气瓶使用 CO2 气体电热预热器时,其电压应采用( )V。
A.
36
B.
48
C.
60
D.
90
查看完整题目与答案
【单选题】He will certainly come unless he is ill.
A.
只要他没有病倒，就一定会来的。
B.
除非他病倒，他就一定会来的。
C.
..
D.
...
查看完整题目与答案
【单选题】When a major power outage left even Times Square eerily dark, New York City's faithful headed out of their hot apartments and stuffy office cubicles and did what came naturally. They headed to their l...
A.
Because most of New Yorkers are religious.
B.
Because city people usually stay at office and home, especially do New Yorkers.
C.
Because New Yorkers are very hard working.
D.
Because New Yorkers seldom drink.
查看完整题目与答案
【单选题】Which of the following statements is true according to Dr. Moody?
A.
Those who laugh are healthy people.
B.
A doctor may diagnose a patient by checking his ability to laugh.
C.
Those who don't laugh are unhealthy people.
D.
Laughter alone can get people through hard work.
查看完整题目与答案
【简答题】阅读理解。 When she graduates from Columbia University next year with a 's degree in Public health, Eric Wheeler is hoping to get a job in international reproductive(生殖) health. The 26-year-old post-...
查看完整题目与答案
【单选题】He will certainly come unless he is ill .
A.
只要他 没有病倒 ，就一定会来的。
B.
除非他 病倒 ，他就一定会来的。
查看完整题目与答案
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