[填空题]The system will be not activated unless you use the key to open any of the front, sliding and back doors and hood.

[填空题]If you have tried some searches and want to use the next level, check out the______.

[填空题]You can borrow my dictionary unless you （） (return) it to me tomorrow.

[填空题]You’ll never finish that job unless you forget everything else and _____ to it.

[填空题]The director won’t see you unless you have an (appoint) （）.

[单项选择]Do not（） me to help you unless you work harder.
A. expect
B. hope
C. depend
D. think

[单项选择]Unless you give us a satisfactory explanation about quality, we will have no choice but to reject your goods.（）
A. 除非你方能在质量方面给一个满意的答复，否则我们将不再选择，而是拒绝你方的货物。
B. 除非你方能就质量问题给一个满意的解释，否则我们只能拒绝你方的货物。
C. 只要你们的解释能让我们满意货物的质量，我们就不会拒绝你们的货物。
D. 只要你们的解释不能让我们满意，还存在质量问题，我们将拒绝你们的货物。

[填空题]Mr. John wouldn’t see you unless you have an (appoint)（）

[填空题]Unless you _____ nature you are sure to be punished by it.

[单项选择]You're not （　） to park here unless you have a permit.
A. allowed
B. let
C. agreed
D. required

[单项选择]第三篇 Is the News Believable Unless you have gone through the experience yourself, or watched a loved one’s struggle, you really have no idea just how desperate cancer can make you. You pray, you rage, you bargain with God, but most of all you clutch at any hope, no matter how remote, of a second chance at life. For a few excited days last week, however, it seemed as if the whole world was a cancer patient and that all humankind had been granted a reprieve(痛苦减轻) . Triggered by a front-page medical news story in the usually reserved New York Times, all anybody was talking about--- on the radio, on television, on the Internet, in phone calls to friends and relatives----was the report that a combination of two new drugs could , as the Times put it, “cure cancer in two years.” In a matter of hours patients had jammed their doctors’ phone lines begging for a chance to test the miracle cancer cure. Cancer scientists raced to the phones to make sure everyone knew about thei
A. give up any hope.
B. pray for the health of his loved ones.
C. seize every chance of survival.
D. go out of his way to help others.