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【简答题】
It’s school time again! You’re probably feeling excited and maybe a little sad that summer is over. Some kids feel nervous or a little scared on the first day of school because of all the new things: new teachers, new friends, and even a new school. Luckily, these “new” worries only stick around for a little while. Let’s find out more about going to a new school. Most teachers kick off the new school year by introducing themselves and talking about all the stuff you’ll be doing that year. Some teachers give students a chance to tell something about themselves to the rest of the class, too. When teachers do the talking on the first day, they often go over classroom rules and school rules so you’ll know what’s allowed and what’s not. Please pay close attention You might already know a lot of people in your classes on the first day, but it’s a great day to make a new friend, so try to say hello to kids you know and new ones that you don’t. Make the first move and you’ll be glad you did, and so will your new friend! Seeing friends you haven’t seen in a while can make the first day a good one. You can make the day feel special by wearing clothes that you really like. Maybe you got a great T-shirt on one of your vacations, or a pair of sneakers(运动鞋). It also can make you feel good to be prepared and have all the things you need, such as pencils, folders, and whatever else you’ll be needing. But make sure that you pack them the night before in case you don’t have time in the morning. 小题1:The underlined phrase “kick off” in the second paragraph probably means “_____”. A.start B.study C.find D.teach 小题2: The last paragraphs mainly tell us about ________. A.what to know about a new school B.how to prepare for a new school C.what to do on your first day of school D.how to spend your first day of school 小题3:According to the passage you usually do everything on the first day of school except ______. A.introduce yourself B.learn about the school rules C.make new friends D.go over your new lessons 小题4: If you happen to see an old friend on the first day of school, from the passage we know that you will feel ________ . A.nervous B.lucky C.happy D.excited
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【单选题】大量事实表明,在蛋白质合成旺盛的细胞中,常有较大和较多的核仁。根据这一事实可以推测()
A.
细胞中的蛋白质主要由核仁合成
B.
核仁可能与组成核糖体的必需物质的合成有关
C.
无核仁的细胞往往不能合成蛋白质
D.
核仁是核质间物质交换的通道
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A.
等于零
B.
大于零
C.
小于零
【单选题】大量事实表明,在蛋白质合成旺盛的细胞中,常有较大的核仁.这有力支持下列哪一科学结论
A.
细胞中蛋白质主要是由核仁合成的
B.
核仁可能与组成核糖体的必需物质的合成有关
C.
无核仁的细胞往往不能合成蛋白质
D.
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A.
大于
B.
等于
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A.
正确
B.
错误
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A.
C25
B.
C30
C.
C40
D.
C45
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