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理解題。由倒數(shù)第二段可知。 2. According to Debra Fischer, in the new solar system, ________. A. the farther a pla is from the star, the longer it takes to go around the star B. the larger a pla is, the shorter it takes to go around the star C. it takes all the plas around three and a half to four years to go around the star D. the plas move around the star at the same(均勻 ) speed 答案與解析: A 推理判斷題。t know, because present technology is not advanced enough to determine what the plas are made of. That, Marcy says, is astronomy39。 Unit 4 Astronomy: the science of the stars (時間: 90分鐘 滿分: 110分 ) 第一部分 閱讀理解 (共兩節(jié);滿分 30 分 ) 第一節(jié) (共 10小題;每小題 2分,滿分 20分 ) 閱讀下列短文,從每題所給的四個選項 (A、 B、 C和 D)中,選出最佳選項。s not far away, 44 light years. The sun of that solar system,Upsilon Andromeda, is so near and bright that it can be seen by using no equipment during summer and fall. For twelve years astronomers searched the skies in the belief that if our sun has plas around it, surely others do, too. Geoffrey Marcy says, “And then starting three and a half years ago, we began finding for the first time plas singly, one pla here around one star...” “When I look up a t the stars now at night, I can imagine easily that every one of them has plas around them, ” says Debra Fischer. It was a tremble (shaking)in the star that led Marcy to the plas. “The star rocks around due to the gravity of the pla as a dog owner gets pulled around by a little dog.” Can they support life? We don39。通讀全文可知 Andromeda是一個星座,像太陽系; Upsilon Andromeda 是一顆恒星,像太陽; three plas 是它的三個衛(wèi)星,因此可推出 B項正確。s discovery of the plas? A. That he found a dog owner was pulled by his dog. B. The tremble of Upsilon Andromeda. C. That any pla has gravity. D. That he believes any star has its plas. 答案與解析: B 細節(jié)理解題。 B The earth is the only pla that scientists think has life. Why does the earth have life while the other plas (行星 ) don39。 6. The underlined phrase “the third pla” in the first paragraph refers to ________. A. the Sun B. the Moon C. the Earth D. the Mars 答案與解析: C 詞義猜測題。其他三項都與文章相符。從第一段中的 “Many of us are fascinated by time travel” 和 “returning to the past or seeing the future” 可推知,畫線詞意為 “ 被迷住的,著迷的 ” ,與 A項意思最為接近。從第二段最后一句中的 “some of the popular ways by which time travel is made possible in fiction books” 這一信息可知,除了作者在文章中列舉的這些方式之外,科幻小說里還介紹了其他方式。 Friends are important to children. Research shows that children who have no friends might suffer from difficulties later in life. __11__ In making friends, children can also learn how to municate with others and solve problems. In order to help your children make friends, you need to understand the steps children take in building friendships. ★ Be a friend to your children at home. __12__ Children begin to develop the necessary ability to go out and meet others through getting along with their parents. Greet the children warmly and let them know you are glad to see them. Children learn a lot from the time their parents spend with them. ★ Teach your children how to solve conflicts (爭執(zhí) ). __13__ If you know the children have a conflict, let them work it out on their own. Only step in if it is really necessary. For example, an argument is leading to a fight. ★ __14__ Have your children play games that require cooperation. For example, relay races are fun and provide plenty of practice in teamwork. ★ __15__ You can encourage your children to do this by setting an example to them when someone gives you a hand. A. Good friendships start at home. B. Encourage your children to show thanks to others. C. Give children chances to practice working together. D. Friendship provides children with more than just fu