初中学习资料 QQ 群 164307271 关注微信公众号：明悉数学 Unit 6 When was it invented 学校：__________班级：__________姓名：_________ 考号：___________ 温馨提示： 本试卷共分第Ⅰ卷和第Ⅱ卷两部分，第Ⅰ卷为选择题；第Ⅱ卷为非选择题；满分为 100 分，考试时间为 100 分钟。 第Ⅰ卷 选择题 Ⅰ.单项选择（15） 1.The dress is in a special A.list . It only sells in our store. Try it one and you’ll like it. B.brand 2.Think twice and make the decision. A.Somebody 3.Your idea A.sounds D.style Else can do it for you. B.Everybody C.Anybody D.Nobody good. Let’s give it a try and see if it will work. B.smells 4.Another bridge over the Jialing River A.builds C.condition C.looks last year. B.built C.is built D.was built 5.To encourage students to discuss in class, the teacher divided the class A.into 6.The woman A.processed B.with C.for several groups. D.by all the things she had to remember on the paper to make them look clear. B.reviewed C.listed D.checked 7.—Another good idea! And we could each call up ten people and ask them to come. —Hey, we’re a lot of good ideas, aren’t we? A.getting along with B.coming up with C.catching up with D.doing well in 8.—Who do you admire most, Yang Ming? —Zhong Nanshan. Not only I but also my classmates A.look forward to B.look up to 9.Our school has a long history and it A.built A.read C.are up to in 1907. B.build 10.My teacher often encourages me C.was built B.reads B.are 12.On video, Doctor Zhong Nanshan D.is built more English books and magazines. C.to read 11.Not only my parents but also my younger sister A.is him. D.reading crazy about the football match. C.am D.be teenagers to study hard in the first lesson of this term. 第 1 页 共 19 页 初中学习资料 QQ 群 164307271 A.allowed 关注微信公众号：明悉数学 B.trained C.encouraged 13.He felt tired, so he stopped A.having a rest under the tree. B.have C.to have 14.The number of people in the city A.are about seven million now. B.has C.is 15.—Thanks for listening to my problems and giving me your advice. — . A.With pleasure B.Yes, please C.That’s right D.It is my pleasure II.完形填空（10 分） Have you ever licked（舔）your fingers after you finish eating a tasty treat? A (16) named Constantin Fahlberg did! He invented saccharin（糖精）by licking his fingers. He invented it by accident. In 1879, Constantin Fahlberg (17) a project at Johns Hopkins University to find users for coal tar（煤焦油）. After a day at work in the lab, Fahlberg went home for supper. His wife had (18) along with the meal. After Fahlberg took a bite of a roll, he thought it (19) she had added anything to make the rolls (20) some rolls（小圆面包）to go especially sweet. He asked his wife if . She told him she hadn’t. She thought the rolls tasted the same as usual. Fahlberg wondered (21) the extra sweetness came from. He looked at his hands (22) laughed. He realized that he (23) . Then he to wash his hands before eating the rolls. His hands still had residues（残留物） from his experiments with coal tar. He thought that the chemicals on his (24) might be the source of the sweetness. Later on, he used the residues to (25) a new material and it was called “saccharin”. It is a kind of ingredient and cam make meals sweeter. 16. A.historian B.physicist C.musician D.chemist 17. A.took up B.put up C.gave up D.stayed up 18. A.sold B.prepared C.boiled D.thrown 19. A.smelt B.sounded C.tasted D.looked 20. A.bitter B.sour C.sweet D.spicy 21. A.what B.where C.when D.how 22. A.loudly B.carefully C.quietly D.carelessly 23. A.borrowed B.lent C.remembered D.forgot 24. A.face B.mouth C.hands D.arms 25. A.develop B.remain C.avoid D.complete 第 2 页 共 19 页 初中学习资料 QQ 群 164307271 关注微信公众号：明悉数学 Ⅲ.阅读理解（20） A One day, Anna Du was walking along Castle Island’s beach. She found there were lots of plastic pieces in the sea and some were too small to pick up. She begun to think about how to solve the problem. First, she did a survey. The result showed there were already 150 million tons of plastic in the sea, and every year there would be another 8 million tons. She realized something must be done. So she decided to invent a robot that could work under water. She tried again and again. At last her ROV came out. It could move through water and pick up plastic pieces, especially the tiny ones. With this ROV, Anna Du took part in the Broadcom Masters competition which is one of the top STEM competitions. It’s for young students around the world. This year, more than 5,000 students were interested in the competition, but only a few got the chance