In his book,he explains both ______ it means to be a scientist and ______ science works.
| A．how; how | B．what; that |
| C．what; how | D．how; that |
It's impossible for all the people to get jobs because ____of them are not fit for them.
| A．none | B．all | C．not all | D．every one |
There's no bus now, and we can't get home _______ by taxi.
| A．rather than | B．other than | C．more than | D．less than |
— You can't finish the book in less than an hour,I suppose?
— .
| A．Yes, I'm sure I can | B．No, hardly |
| C．Sorry, I can't | D．I don't think I can |
— What do you think of Zhang Liang Ying's English songs?
— Very attractive and lively. Almost no other Super Girls can sing _____ at present, I think.
| A．well | B．best | C．better | D．the best |
______ the Atlantic Ocean crosses the equator, the trade winds cause a flow of water to the west.
| A．That | B．When | C．Where | D．Though |