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【简答题】
Bruce shook his money box again. Nothing! He carefully counted the coins that lay on the bed. All that he had was $24.52. The which he wanted was at least $90. How on earth(究竟) was he going to get the rest of the ? He knew that his friends all had bicycles. It was hard to hang out(闲逛) with people when you were the only one a bicycle. He thought about he could do. He couldn’t get money from his parents, because he knew they had no extra(额外的) money. There was only one way to get money, and that was to earn(挣钱) it. He would have to find a job. He decided to ask Mr Clay for . “Well, you can start right here,” said Mr Clay. “You see, my windows need cleaning and my car needs washing”. That was the beginning of Bruce’s part-time(兼职) job. For the next three he worked every day after finishing his homework. He took dogs for walks and cleaned rooms. The day finally came when Bruce his money and found $94.32. He wasted no time and went down to the shop to the bicycle he wanted. He rode home proudly, looking forward to his new bicycle to his friends. Bruce liked his bicycle very much because he had bought it with his own money. At last, his dream came true, and his parents were of him. 小题1:A.car     B.bicycle  C.truck 小题2:A.money   B.help C.food 小题3:A.with    B.without     C.behind 小题4:A.why B.how     C.what 小题5:A.food    B.advice   C.water 小题6:A.months  B.minutes  C.seconds 小题7:A.lent    B.lost C.counted 小题8:A.choose  B.sell C.drive 小题9:A.borrowing   B.showing  C.asking 小题10:A.famous B.strict   C.Proud
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【单选题】读下面的地球圈层结构示意图(部分),回答下列各题。 有关图中地球圈层特点的叙述,正确的是()
A.
水圈都分布在海平面以下
B.
生物圈孕育于其他圈层中
C.
①圈层温度随高度增加而增加
D.
②圈层中硅镁层在大洋洋底缺失
【判断题】3 还原酶系主要是催化药物在体内进行还原反应的酶系,通常是使药物结构中的羰基转变成羟基,将非胺类含氮化合物还原成胺类,便于进入第I相的结合反应而排出体外。
A.
正确
B.
错误
【单选题】《2001:太空漫游》中描述了宇航员在宇宙空间中航行的情景,现实生活中,世界上第一个进入太空的宇航员是( )。
A.
美国人阿姆斯特朗
B.
苏联人加加林
C.
中国人
D.
美国人麦考利夫
【单选题】第一个进入太空的中国宇航员是( )
A.
阿姆斯特朗
B.
加加林
C.
景海鹏
D.
【简答题】贸易产生需具备 、 两个条件 。
【单选题】读地球圈层结构示意图(部分)。有关图中地球圈层特点的叙述,正确的是
A.
水圈都分布在海平面以下
B.
生物圈孕育于其他圈层中
C.
①圈层温度随高度增加而递减
D.
②圈层中硅镁层在大洋洋底缺失
【单选题】关于地球圈层特点的正确叙述是
A.
大气圈的主要成分是二氧化碳和氧
B.
水圈是被陆地分割成的不连续圈层
C.
岩石圈包括地壳的全部和上地幔
D.
生物圈是生物及其生存环境的总称
【单选题】关于图中各圈层特点的正确叙述是
A.
.水圈是连续但不规则的圈层
B.
.生物圈位于水圈与岩石圈之间
C.
.大气圈主要是由氧气构成的
D.
.岩石圈由厚度相同的岩石组成
【单选题】关于水圈特点的叙述,正确的是( )
A.
水圈的质量占地球质量的3/4
B.
水圈是一个连续的不规则的圈层
C.
水圈是一个规则而不连续的圈层
D.
水圈不包括散布于大气中的水汽
【单选题】下列关于天文学知识的说法中正确的一项是( )。
A.
第一个进入太空的宇航员是阿姆斯特朗
B.
离地球最近的行星是火星
C.
长庚是中国古代对金星的称呼
D.
太阳黑子位于太阳大气的色球层
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