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【单选题】
下列法律文件中,属于非规范性法律文件的是( )。
A.
全国人大常委会关于《香港特别行政区基本法》第一百零四条的解释
B.
中华人民共和国人类遗传资源管理条例
C.
国家发改委对公司的行政处罚决定书
D.
江苏省不动产登记条例
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【单选题】应用最广泛的合成纤维是什么?
A.
腈纶
B.
维纶
C.
涤纶
D.
锦纶
【简答题】What will happen several months after the explosion of thee star?
【单选题】复合材料中,纤维增强体应用最广泛的是( )。
A.
矿物纤维
B.
玻璃纤维
C.
棉纤维
D.
合成纤维
【简答题】请编程将“china"译成密码,密码规律是:用原来的字母后面第4个字母代替原来的字母。
【单选题】在c语言中关于循环语句的结论中,错误的是( )。
A.
do-while语句构成的循环至少要执行一次
B.
while语句和for语句可以相互替代
C.
for和while语句的循环控制条件都是当条件成立时执行循环体
D.
do-while语句的循环控制条件是当条件不成立时继续执行循环体
【单选题】At home Theodore Roosevelt had affection, not compliments, whether these were unintentional and sincere or were thinly disguised flattery. And affection was what he most craved from his family and nea...
A.
he was not flexible with his schedule
B.
the President tried to fulfil his promises to them
C.
he would stopped whatever he was doing for them
D.
the President apologized to them when he could not stay with them
【多选题】关于while和do-while语句,以下描述中正确的是( )。
A.
while语句是先判断后执行, do-while语句是先执行后判断。
B.
do-while语句构成的循环不能用其它语句构成的循环来代替
C.
用do-while语句构成的循环,在while后的表达式为非零时结束循环
D.
当while后的条件表达式一开始就为假时,两种语句的执行结果不同。
【单选题】设计滚子从动件盘形凸轮轮廓曲线时,若将滚子半径加大,那么凸轮轮廓曲线上各点曲率半径()。
A.
一定变大
B.
一定变小
C.
不变
D.
可能变大也可能变小。
【单选题】According to the author, Theodore Roosevelt ______.
A.
was a hard-working President
B.
tried to reduce the length of his workday
C.
really appreciated the idea of eight or six hours per workday
D.
wished to work with the laboring men of today
【单选题】设计滚子从动件盘形凸轮轮廓曲线时,若将滚子半径加大,那么凸轮轮廓曲线上各点曲率半径( )。
A.
变大
B.
变小
C.
不变
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