Unit 3 Safety 单元冲刺卷含答案解析

Unit 3 Safety 一、单项选择（共15小题；共45分） 从下面各题所给选项中，选择最佳选项。 1. _____ movies make me afraid to go out in the dark. A.Wonderful B.Scary C.Relaxing 根据语境，选出最佳选项。 2. Look at the dark clouds in the sky. They _____ me. Oh, I think it's going to rain heavily. A.are scared of B.look scary to C.look scary of 从下面各题所给选项中，选择最佳选项。 3. I am afraid (害怕) of tigers because they are _____. A.interesting B.scary C.cute D.friendly 4. —What may fall on cars in a typhoon? —_____ may fall on cars in a typhoon. A.Slide shows B.Boarding cards C.Heavy objects D.Traffic jams 从下面各题所给选项中，选择最佳选项。 5. Your _____ are between your neck and the tops of your arms. A.shoulders B.feet C.ears 6. Which of the following underlined parts is different in pronunciation with others? A.When someone has hurt you, calm down first. B.Parents will arrive at the school hall at five o'clock. C.More and more people like to go shopping in the mall. D.What time did you call me yesterday? 根据语境，选出最佳选项。 7. — Stop, Mary! There is a(n) _____ which asks us not to swim in the river. — OK. Thanks. A.expression B.warning C.permission 从下面各题所给选项中，选择最佳选项。 8. I don't like lions because they're _____. A.strong B.shy C.scary D.interesting 9. —Why don't you like lions, Tom? —Because they are very _____. A.smart B.scary C.small D.shy 10. （2019天津河西区期末，28）Keep _____ when an earthquake happens. A.excited B.happy C.sad D.calm 11. —Where's your new school? —It _____ in the centre of our city. A.lies B.prefers C.finishes 12. It is important _____ a foreign language. A.of us to learn B.of us learning C.for us to learn D.for us learning 13. —What is the most important thing to remember in the earthquake? —We should try to _____. A.run out of the building B.jump out of the window C.stay calm D.stand in the middle of the room 14. The plants must _____ every three days, or they will fail to grow. A.water B.watering C.be watered D.watered 15. _____ more, and you will improve your spoken English. A.To speak B.Speaking C.Speaks D.Speak 二、完形填空（共1小题；共30分） 阅读下面的短文，掌握其大意，然后从短文后各题所给的选项中，选择最佳选项。 Do you like dolphins? dolphins live _____16_____ water, but they are not fish. They are mammals that live in water. It has to breathe (呼吸) air to the top of the water very often. A dolphin's nose isn't _____17_____ to see. It's just a very _____18_____ hole on the top of the dolphin's head. This hole is called a blowhole (气孔). A dolphin _____19_____ up every minute or so to breathe. It opens blowhole and takes air in, and then goes back into the water again. It can stay under the water for six or seven _____20_____ if it has to. A dolphin's ears are very small, _____21_____ its mouth is very _____22_____. It has almost one hundred teeth. A dolphin _____23_____ very fast. Scientists are studying ways to _____24_____ boats go faster through the _____25_____ like dolphins. 16 ... ...