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【单选题】
MCS-51单片机复位的条件是()。
A.
复位引脚上有 2 个机器周期以上的高电平
B.
复位引脚上有 1 个机器周期以上的高电平
C.
复位引脚上有 1 个机器周期以上的低电平
D.
复位引脚上有 2 个机器周期以上的低电平
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参考答案：
举一反三
【单选题】Which statement doesn't violate the 7C's principles?
A.
We export machines to many foreign countries.
B.
Your letter  has been receivered recently.
C.
We won't send goods to you until 10th March.
D.
We are glad to inform you that the goods under Contract No.235 were shipped on S.S. "East Wind" on Feb.,20.
查看完整题目与答案
【简答题】随机地从一批钉子中抽16枚，测得其长度(单位：cm)为： 2.14；2.10；2.13；2.15；2.13；2.12；2.13；2.10； 2.15；2.12；2，14；2，10；2.13；2.11；2.14；2.11． 设钉长服从N(μ，σ 2 )分布，取1-α=0.90，分别在两种情形下求μ的置信区间．并对α=0.1下检验H 0:μ =2.12．
查看完整题目与答案
【简答题】请通过电子税则 或电子查询手册 找到编码 “0105.99” ,对应的二级子目条文 “ 其他 ” 共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
【单选题】if Mr. White won't agree to sign the contract, ( )
A.
neither she will
B.
neither won't she
C.
neither will she
D.
she won't neither
查看完整题目与答案
【单选题】Remember that you won't be able to cancel the contract ____you've signed.
A.
before
B.
until
C.
once
D.
though
查看完整题目与答案
【单选题】What could happen if the specifications are accepted by CQC's business partner?
A.
CQC will have to sign a new contract.
B.
The prices of steel screws could be raised.
C.
The products will be delivered by container.
D.
Damages won't happen any more.
查看完整题目与答案
【简答题】请通过电子税则找到编码“0105.99”,对应的二级子目条文“其他”共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
【单选题】Which statement doesn't violate the 7C's principles?
A.
We export machines to many foreign countries.
B.
Your letter  has been receivered recently.
C.
We won't send goods to you until 10th March.
D.
The goods under Contract No.235 were shipped on S.S. "East Wind" on Feb.,20.
查看完整题目与答案
【单选题】---Bear in mind that you won't be able to cancel the contract ____you've signed. --- I _____.
A.
unless; do
B.
since; will
C.
once; will
D.
after; have
查看完整题目与答案
【简答题】请通过电子税则找到子目“0105.99”,对应的二级子目条文“其他”共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
相关题目：
【单选题】Which statement doesn't violate the 7C's principles?
A.
We export machines to many foreign countries.
B.
Your letter  has been receivered recently.
C.
We won't send goods to you until 10th March.
D.
We are glad to inform you that the goods under Contract No.235 were shipped on S.S. "East Wind" on Feb.,20.
查看完整题目与答案
【简答题】随机地从一批钉子中抽16枚，测得其长度(单位：cm)为： 2.14；2.10；2.13；2.15；2.13；2.12；2.13；2.10； 2.15；2.12；2，14；2，10；2.13；2.11；2.14；2.11． 设钉长服从N(μ，σ 2 )分布，取1-α=0.90，分别在两种情形下求μ的置信区间．并对α=0.1下检验H 0:μ =2.12．
查看完整题目与答案
【简答题】请通过电子税则 或电子查询手册 找到编码 “0105.99” ,对应的二级子目条文 “ 其他 ” 共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
【单选题】if Mr. White won't agree to sign the contract, ( )
A.
neither she will
B.
neither won't she
C.
neither will she
D.
she won't neither
查看完整题目与答案
【单选题】Remember that you won't be able to cancel the contract ____you've signed.
A.
before
B.
until
C.
once
D.
though
查看完整题目与答案
【单选题】What could happen if the specifications are accepted by CQC's business partner?
A.
CQC will have to sign a new contract.
B.
The prices of steel screws could be raised.
C.
The products will be delivered by container.
D.
Damages won't happen any more.
查看完整题目与答案
【简答题】请通过电子税则找到编码“0105.99”,对应的二级子目条文“其他”共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
【单选题】Which statement doesn't violate the 7C's principles?
A.
We export machines to many foreign countries.
B.
Your letter  has been receivered recently.
C.
We won't send goods to you until 10th March.
D.
The goods under Contract No.235 were shipped on S.S. "East Wind" on Feb.,20.
查看完整题目与答案
【单选题】---Bear in mind that you won't be able to cancel the contract ____you've signed. --- I _____.
A.
unless; do
B.
since; will
C.
once; will
D.
after; have
查看完整题目与答案
【简答题】请通过电子税则找到子目“0105.99”,对应的二级子目条文“其他”共包括( )种家禽?请用小写数字回答。
查看完整题目与答案
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