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【单选题】
以下属于二年生花卉的是A.
鸡冠花
B.
马齿苋
C.
三色堇
D.
剑麻
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反馈参考答案：
举一反三
【单选题】What does the result of this research show?
A.
Children's choices of food vary greatly.
B.
Parents watch closely what children eat.
C.
Children's eating habits can be changed.
D.
Vegetables differ in their nutritional value
【单选题】下列关于近视的说法不正确的是( )
A.
近视与遗传、营养等因素有关
B.
儿童单纯性近视应验光配镜
C.
真性近视、混合近视应验光配镜
D.
假性近视应及时纠正用眼习惯
【单选题】下列关于近视的说法，正确的是（）
A.
"假性"近视指用阿托品散瞳后检查，近视度数消失，呈现为正视或远视，为不可逆
B.
真性近视指用阿托品散瞳后检查，近视屈光度为降低或降低的度数<0.5D
C.
大多数单纯性近视眼为屈光性近视眼
D.
-4.00D以上为高度近视
E.
调节性近视属于轴性近视
【单选题】关于肌肉的收缩形式不正确的是()
A.
等长收缩只有张力的增加而无长度的缩短
B.
等长收缩，肌肉作用的物体未发生位移，所以未对物体做功
C.
等张收缩只有长度的变化而无张力的改变
D.
等张收缩时，肌肉收缩时有关节的运动，所以它对物体做了功
E.
人体骨骼肌的收缩的形式不可能为混合式收缩
【单选题】What does the result show?
A.
Breakfast has little to do with a person's work.
B.
Girl students should have little for breakfast.
C.
Breakfast has great effect (影响) on work and study.
【简答题】肌肉收缩的形式有__、___、___、___。
【单选题】The biggest problem from now to the year 2010 for the ISS lies in that ______.
A.
Soyuz capsules are not safe enough
B.
the ISS will have a 4-year crewless gap
C.
more money is needed to maintain the normal operation
D.
the ISS partner nations can't reach agreement during this period
【简答题】肌肉的收缩形式有()、()、()。
【单选题】What does the result of the face choosing experiments reveal?
A.
People could explain well why they made their choices.
B.
Only a few of participants had choice blindness in making decision.
C.
Usually participants were aware of the limits of their skills.
D.
Most participants didn't realize that their choices had been switched.
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