光栅衍射中,将光栅垂直会聚透镜光轴方向做微小的平移,则衍射图形会随之移动。
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Learning about the great news, she was_excited to calm down.
A. much too
B. too much
C. so much
D. very much
They are teachers and don't realize to start and run a company.
A. what it takes
B. what takes it
C. what they take
D. what take they
I can't remember Benjamin wrote "Poor Richard“.
A. what
B. who
C. if
D. which
Tom was very disappointed at the film since it wasn't such an exciting film_ _the advertisement had promised him.
A. which
B. as
C. that
D. like