Unit 6 Enjoying Cycling Topic 3 条件状语从句 （时间：60分钟，满分：100分） 条件状语从句的概念：在复合句中，从句是表示条件的状语，叫做条件状语从句。条件状语从句可以放在句首或句尾。 条件状语从句常见的连接词： 1.if（如果） if可以引导真实条件句和非真实条件句，在引导真实条件句时，其引导的事件是可能真实发生的： If everyone obeys the traffic rules, the roads will be much safer. 在引导非真实条件句时，其引导的事件是与现实不同的，因此需要使用虚拟语气： If I were you, I would stick to it. 2.unless=if...not...（除非） We will be late unless we hurry. = We will be late if we do not hurry. They face certain death unless they can be rescued today. 3.as/so long as （只要） You can stay here as long as you keep the room clean. As long as you're happy, that's all that matters. 特殊的连接词： suppose/supposing that:如果，假设 provided/providing that:如果，假设 only if:只要 on condition that:若是，以......为条件 Suppose that you win the lottery, what would you do with the money You can borrow my car, providing that you return it by tomorrow. You can go to the party only if you finish your homework. I will go abroad on condition that my husband goes with me. 条件状语从句的时态： If it rains tomorrow, I won' t climb the hills. （主将从现） We can win the basketball game if he joins us. （主情从现） Help your mom with the housework if you finish your homework early. （主祈从现） 条件状语从句与其他句式的转换： 1.借助“祈使句+and / or+ 一般将来时的句子”这一句型来转换。and在句意上表示顺承关系, or表示转折关系。 如:If you get up early, you'll get there on time. = Get up early, and you'll get there on time. = Get up early, or you won't get there on time. 借助介词without或with来转换条件状语从句。 如:If there is no water, fish will die. = Fish will die without water. 单项选择(本大题共50小题，每小题2分，共100分) 1．_____ you come to the club, I’m sure you can make some friends. A．Unless B．Though C．If 2．If you _____ to the party with us tomorrow, you will have a great time there. A．will go B．go C．went 3．Remember you will fail in the exam _____ you take it seriously. A．unless B．if C．after D．because 4．I won’t go to the movies this afternoon _____ I’m free. A．unless B．if C．when 5．— Is this math problem really difficult — Yes, even the top student can’t solve it _____ our teacher shows us the answer. A．when B．if C．unless D．until 6．If she _____ busy tomorrow, she will _____ come to your birthday party. A．isn’t; sure B．isn’t; certainly C．won’t be; truly D．doesn’t; also 7．There are no buses to the beach. _____ you have a car, it’s difficult to get there. A．Unless B．Since C．Because 8．I’m sure that you will succeed one day _____ you don’t give up easily. A．unless B．or C．but D．if 9．_____ you study hard, you won’t pass the final exam. A．Until B．Unless C．When D．If 10．—Can I take up singing and join the club —Certainly. It’s never too late _____ you take action at once. A．before B．if C．although 11．You can’t imagine how moving th ... ...
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