题目

单项填空It’s our duty to_______ people_______too many trees.A.stop; cutting down                  B.prevent;to cut downC.keep;cutting down                   D.make;cut down 答案：A  stop/prevent/keep sb. from doing sth.都表示“阻止某人做某事”,在主动语态中stop...from...和prevent...from...中的介词from可以省略，但keep...from...中的from不能省略。 阅读理解 A Road Sign A man was traveling on his way to another town when he saw a road sign(路标) which read,“NO THROUGH WAY. PLEASE GO ANOTHER WAY.” He looked ahead and saw nothing wrong at all. He decided to go on, thinking the sign was a kind of joke. After a while he saw a broken bridge and had to turn back. When he came to the sign again on the road he saw these words on its back side.“WELCOME BACK, YOU FOOL!” (   ) 1. The road sign was put up on the road in roder to _______ . A. make people know that the bridge ahead was being rebuilt B. tell people to be careful while crossing A.      tell people to go another way (   ) 2. Why did the man decide to go on when he saw the road sign? Because _______ . A. he didn’t see the words on the road sign B. he thought the sign was a kind of joke C. there was another way ahead (   ) 3. The man had to turn back because _______ . A. he saw the words on the sign’s back side B. he didn’t want to go to that town any more C. the bridge was broken (   ) 4. What’s on the road sign’s back side? A. NOTHING. B. NO THROUGH WAY PLEASE GO ANOTHER WAY. C. WELCOME BACK, YOU FOOL! (   ) 5. Which of the following is wrong? A. The words on the sign were written in capital letters. B. There was something wrong with the bridge. C. The road sign was a kind of joke.