单项选择题
A．300,000 B．two million C．400,000 D．480 times 300,000
Sunlight seems to （） than the light of the moon.A．have ...
单项选择题Sunlight seems to （） than the light of the moon.
A．have to travel a greater distance B．move less quickly C．travel much quickly D．be less powerfull
If the information give in this passage is correct, whe...
单项选择题If the information give in this passage is correct, when we look at a star at night （）
A．we will notice that it is not moving B．we cannot tell whether or not it still exists C．it will be brighter than the moon D．it is four years that the light we can see will reach us
Keith Peiris is now （）A．a studentB．CEO of a companyC．do...
单项选择题Keith Peiris is now （）
A．a student B．CEO of a company C．doing business in Shanghai D．both A and B
