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【单选题】
平面机构中,运动副的自由度和约束数之和为:( )
A.
4
B.
2
C.
3
D.
1
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【单选题】This maths problem is       that one.
A.
not so easy as
B.
more easy than
C.
as easier as
D.
easy than
【单选题】He wanted to read more, so he asked his friends if there was _______ to read. A. something easy enough B. something enough easy C. enough easy something D. easy enough something
A.
something easy enough
B.
something enough easy
C.
enough easy something
D.
easy enough something
【单选题】Is this question easy?
A.
Very easy.
B.
Neither easy nor difficult.
C.
Very difficult.
【单选题】如图所示是一个循环结构的算法 , 下列说法不正确的是 ________ . 1 A 是循环变量初始化 , 循环就要开始; 2 B 为循环体; 3 C 是判断是否继续循环的终止条件; 4 A 可以省略不写 .
A.
B.
C.
D.
【单选题】This lesson is that one.
A.
as easier as
B.
more easy than
C.
not so easy as
D.
easy than
【单选题】关于下图循环结构的算法说法错误的是( )
A.
①是循环变量初始化
B.
②为循环体
C.
③是控制是否继续循环的条件
D.
①可以省略不写
【简答题】do while循环结构初始条件为False(即假)时循环体被执行_____次(填数字)
【单选题】患者,男性,46岁,因交通意外致多器官功能损伤,经抢救无效,宣布死亡,其最早出现的尸体现象是( )
A.
尸冷
B.
尸斑
C.
尸僵
D.
尸体腐烂
E.
尸绿
【单选题】The homework is not _________ to finish by himself. A. enough easy for the boy B. easy enough for the boy C. enough easy to the boy D. enough easy by the boy
A.
enough easy for the boy
B.
easy enough for the boy
C.
enough easy to the boy
D.
enough easy by the boy
【单选题】for循环结构的执行顺序是
A.
首先执行条件判断—>然后执行参数初始化—>当判断条件为true时,执行循环操作语句—>最后更新循环变量
B.
首先执行条件判断—>然后执行参数初始化—>然后更新循环变量—>最后执行循环操作语句
C.
首先执行参数初始化—>然后执行条件判断—>当判断条件为true时,执行循环操作语句—>最后更新循环变量
D.
首先执行参数初始化—>然后执行循环操作语句—>然后执行条件判断—>最后更新循环变量
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