题目内容
________ advertisements are of great help, I don’t think we should entirely rely on them.
| A．Because | B．Since | C．Once | D．While |
D
解析试题分析：考查连词：A. Because因为 B. Since自从，既然， C. Once 一旦D. While虽然，然而，当…时候，句意：虽然广告对我们很有帮助，但我想我们不该完全依赖它们。while表示虽然，有转折的意思。选D。
考点：考查连词
点评：连词主要看上下文的逻辑关系，短语的辨析没有捷径可走，只能在平时的学习中加强记忆。While的含义比较多，是高考常考点。
通城学典默写能手系列答案— I wonder how much you charge for your services．
— The first two are free _______the third costs $30．
| A．while | B．until | C．when | D．before |
Mrs Green was so pleased ____ her daughter won the first place in the singing competition．
| A．as | B．that | C．when | D．if |
You may use the room as you like, you clean it up afterwards.
| A．as if | B．so long as | C．now that | D．as far as |
Jim didn’t realize his little sister was crying _____ what he had said.
| A．because | B．because of | C．as | D．since |
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
| A．Even if | B．As far as | C．If only | D．So long as |
One reason for her preference for city life is she can have easy access to places like shops and restaurants.
| A．that | B．how | C．what | D．why |
She always buys me a nice present _________ she comes to see me .
| A．the first time | B．every time | C．the moment | D．immediately |
The research results show that the earth goes a little faster ______it is closer to the sun.
| A．as though | B．so that | C．than | D．when |