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【单选题】
下列属于定量观察法优点的是
A.
它注重科学、客观、系统的方法与程序，观察的工具可以反复使用
B.
观察者能在观察后根据回忆加以必要的追溯性的补充与完善，可以获得更加完整的资料
C.
可以了解到更真实的信息
D.
可以进行多次反复观察
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参考答案：
举一反三
【单选题】--- Bob feels really sorry, Jean. ---         I wouldn’t accept his excuses unless he takes back what he said.
A.
What for?
B.
So what?
C.
No doubt.
D.
No wonder.
查看完整题目与答案
【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】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
【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.
注意风机有无杂音、振动、地脚螺栓和紧固件是否松动，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】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】--- Bob feels really sorry, Jean. ---         I wouldn’t accept his excuses unless he takes back what he said.
A.
What for?
B.
So what?
C.
No doubt.
D.
No wonder.
查看完整题目与答案
【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】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
【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.
注意风机有无杂音、振动、地脚螺栓和紧固件是否松动，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】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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