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【单选题】
以下关于网络广告制作的说法,正确的是( )A.
制作周期长
B.
更改不灵活
C.
制作速度快
D.
制作成本高
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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】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
【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
【单选题】快速以太网是由( )标准定义的。
A.
IEEE802.1q
B.
IEEE802.4
C.
IEEE802.3u
D.
IEEE802.1d
E.
IEEE802.3i
【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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