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一 、化简下面各数。 0.080= ( ) 6.0060= ( ) 8.00= ( ) 0.0500= ( ) 40.40= ( ) 40.000= ( ) 二 、口算。 1.82+5= 3.1+3= 2.5+2.8= 0.7-0.6= 21cnjy.com 4.82-3.18= 0.14-0.03= 2.96+0.04= 2.8-2= 三、 哥哥的身高是 1.6 元,弟弟站在 0.34 米的凳子上哥哥一样高,弟弟的身高是多少 四、填空 1、 竖式计算小数加减法时 , 要先把 ( ) 对齐 , 再按整数加减法的计算方法来计算 : 从 ( ) 位加 ( 减 ) 起 , 满 ( ) 一位进 ( ), 不够减 , 一位借 ( ) 当 ( ) 再减。计算结果中 , 小数末尾有 0 的要去掉。 2、 当被减数的小数位数少于减数的小数位数时 , 可以根据 ( ), 在被减数的末尾添 ( ) 后再计算。 3、 计算小数减法时 , 如果被减数的小数位数比减数的小数位数少 , 被减数的末尾可用 ( ) 补足再减。 4. 小 2.4 米 , 鹿爸爸高 6 米 , 鹿爸爸比小多少米 ? 分析与解答 : 要求鹿爸爸比小多少米 , 列式为 ( ) 。被减数的 ( ) 位上一个单位也没有 , 计算时可以写 0 , 用 0 减 4 , 向 ( ) 位借 ( ) 当十 , 得数是 ( ) 。个位上 6-2- ( ) = ( ) 。 五、用竖式计算。 7.5-3.18= 0.51-0.37= 4-0.82= 5.26-4.75= 13-3.9= 8.04-7.4=
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【判断题】R-30IBMatel的主板备有输入28点、输出24点的外围设备控制接口。
A.
正确
B.
错误
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【单选题】ECC计算机柜分的电源层可以为计算机核心板件和外围设备板提供()电压。
A.
5V
B.
12V
C.
24V
D.
60V
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【单选题】微型机系统的外围设备通过( )与主板的系统总线相连接。
A.
适配器
B.
设备控制器
C.
计数器
D.
寄存器
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【单选题】Did the interviewed Chinese students want to make friends with American students?
A.
No, they didn’t, because there exists great differences between Chinese and American cultures.
B.
No, they didn’t, because many American students segregate themselves from Chinese students by not talking to them.
C.
Yes, they did, although in fact they still had fewer American friends than Chinese ones.
D.
null
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【单选题】一个初级精母细胞在减数分裂的第一次分裂时，有一对同源染色体不发生分离；所形成的次级精母细胞的第二次分裂正常。另一个初级精母细胞减数分裂的第一次分裂正常，减数第二次分裂时，在两个次级精母细胞中，有一个次级精母细胞的1条染色体的姐妹染色单体没有分开。以上两个初级精母细胞可产生染色体数目不正常的配子（以下简称不正常配子）。上述两个初级精母细胞减数分裂的最终结果应当是
A.
．两者产生的配子全部都不正常
B.
．前者产生一半不正常的配子，后者产生的配子都不正常
C.
．两者都只产生一半不正常的配子
D.
．前者产生的配子都不正常，后者产生一半不正常的配子
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【单选题】微机系统中，外围设备与主板的系统总线相连通过
A.
适配器
B.
设备控制器
C.
计数器
D.
寄存器
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【单选题】Chinese Students in the US The 42,503 Chinese students studying in the United States enrolled(注册入学) in 1994 universities. The University of Houston in Texas, with 474 students, or more than one percen...
A.
the university of Houston is the best university in the United States
B.
the University of Houston is the biggest university in the United States
C.
there are about 45,000 students in the University of Houston
D.
the University of Houston only receives Chinese students
查看完整题目与答案
【简答题】计算机外围设备分为输入设备和输出设备,手写板是计算机的_____设备.
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【单选题】According to the interview, which is NOT the difference between American students and Chinese students?
A.
American students are more willing to speak out and share ideas with other people than Chinese students.
B.
American students are more active than Chinese students.
C.
American students can enjoy much more flexibility of their education than Chinese students.
D.
American students spend more money on their education than Chinese students.
查看完整题目与答案
【单选题】The main reason for Chinese students'lack of interaction is that ______.
A.
Chinese students are busy with their study
B.
Chinese students are too shy to communicate with others
C.
the environment is not good for Chinese students
D.
British students only want to make friends among themselves
查看完整题目与答案
相关题目：
【判断题】R-30IBMatel的主板备有输入28点、输出24点的外围设备控制接口。
A.
正确
B.
错误
查看完整题目与答案
【单选题】ECC计算机柜分的电源层可以为计算机核心板件和外围设备板提供()电压。
A.
5V
B.
12V
C.
24V
D.
60V
查看完整题目与答案
【单选题】微型机系统的外围设备通过( )与主板的系统总线相连接。
A.
适配器
B.
设备控制器
C.
计数器
D.
寄存器
查看完整题目与答案
【单选题】Did the interviewed Chinese students want to make friends with American students?
A.
No, they didn’t, because there exists great differences between Chinese and American cultures.
B.
No, they didn’t, because many American students segregate themselves from Chinese students by not talking to them.
C.
Yes, they did, although in fact they still had fewer American friends than Chinese ones.
D.
null
查看完整题目与答案
【单选题】一个初级精母细胞在减数分裂的第一次分裂时，有一对同源染色体不发生分离；所形成的次级精母细胞的第二次分裂正常。另一个初级精母细胞减数分裂的第一次分裂正常，减数第二次分裂时，在两个次级精母细胞中，有一个次级精母细胞的1条染色体的姐妹染色单体没有分开。以上两个初级精母细胞可产生染色体数目不正常的配子（以下简称不正常配子）。上述两个初级精母细胞减数分裂的最终结果应当是
A.
．两者产生的配子全部都不正常
B.
．前者产生一半不正常的配子，后者产生的配子都不正常
C.
．两者都只产生一半不正常的配子
D.
．前者产生的配子都不正常，后者产生一半不正常的配子
查看完整题目与答案
【单选题】微机系统中，外围设备与主板的系统总线相连通过
A.
适配器
B.
设备控制器
C.
计数器
D.
寄存器
查看完整题目与答案
【单选题】Chinese Students in the US The 42,503 Chinese students studying in the United States enrolled(注册入学) in 1994 universities. The University of Houston in Texas, with 474 students, or more than one percen...
A.
the university of Houston is the best university in the United States
B.
the University of Houston is the biggest university in the United States
C.
there are about 45,000 students in the University of Houston
D.
the University of Houston only receives Chinese students
查看完整题目与答案
【简答题】计算机外围设备分为输入设备和输出设备,手写板是计算机的_____设备.
查看完整题目与答案
【单选题】According to the interview, which is NOT the difference between American students and Chinese students?
A.
American students are more willing to speak out and share ideas with other people than Chinese students.
B.
American students are more active than Chinese students.
C.
American students can enjoy much more flexibility of their education than Chinese students.
D.
American students spend more money on their education than Chinese students.
查看完整题目与答案
【单选题】The main reason for Chinese students'lack of interaction is that ______.
A.
Chinese students are busy with their study
B.
Chinese students are too shy to communicate with others
C.
the environment is not good for Chinese students
D.
British students only want to make friends among themselves
查看完整题目与答案