【多选题】在雌性蜜蜂级型发育过程中,()起相当重要的作用。
【单选题】Were it not for the debt, we ______a happy life:
【多选题】债券发行价格除了要考虑票面利率和市场利率外,还要考虑的因素有()
【单选题】Were it not for the fact that I _____ very busy, I would go with you. [ ]
【单选题】Were it not for the timely investment from the general public, our company would not be so thriving as it is.
【简答题】Were it not for the flood, the ship____________(原本会准时抵达目的地)
【单选题】Were it not for the new telescope high in the Andes Mountains, researchers would not have argued that ______.
A.
Sagittarius A is a powerful emitter of radio waves
B.
a super-massive black hole contains as much as a million suns
C.
Sagittarius A is a super-massive black hole
D.
Sagittarius A lies just at the center of the Milky Way Galaxy
【单选题】Were it not for the snowy weather, we ________ all right.
【单选题】水中的空气泡.玻璃中的空泡,看上去比较亮,对这一现象表述正确的是( )
C.
从水中或玻璃中射到空气泡界面处的光一部分 发生全反射形成的
D.
从空气泡到达水或玻璃与气泡分界面处的光一部分发生全反射形成的