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【判断题】
从2020年到2035年，在全面建成小康社会的基础上，再奋斗十五年，实现社会主义现代化。( )A.
正确
B.
错误
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举一反三
【简答题】用单色平行光垂直照射到一块多缝光栅上，观察其夫琅禾费衍射图样，若光栅常数d恰好是缝宽a的3倍，则在单缝衍射的中央明条纹有______条谱线（主极大）
【简答题】She should s__________(吞咽)this pill with water.
【简答题】d____ v. to do sth. that takes sb. ’ s attention away from what he/she should be paying attention to
【单选题】S1:Dover Coastguard, This is motor vessel Utopia, the passenger vessel on my port side, what is her intention, sir? S2:She is crossing to Harwich, the vessel's name is Princess II.S1:She is on a colli...
A.
Passing another ship's astern.
B.
Crossing to Harwich.
C.
She is SW bound.
D.
Calling another ship.
【简答题】衍射屏上带有两个相对于y轴对称放置的平行狭缝，缝的宽度为a，两个缝的中心距离为d，用单位振幅的单色平面波垂直照射衍射屏，忽略空气对光场能量的吸收，则在夫琅禾费衍射区的z平面上，原点的光强是【图片】的___倍。
【单选题】Which of the following is an appropriate title for the passage?______.
A.
Role of Inheritance
B.
An Unborn Child
C.
Function of Instincts
D.
Poetry and Music
【简答题】金属或合金中,凡成分相同、结构相同,并与其他部分有界面分开的均匀组成部分称为____。
【单选题】According to the man, how should the woman do once she start s raising a pet?
A.
She should care for the pet as her own child.
B.
She should accompany the pet all the time.
C.
She should train the pet with patience.
D.
She should treat the pet with whole attention.
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