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【单选题】
切削运动可分为主运动与进给运动,关于主运动,( )的描还是不正确的。
A.
主运动是切削运动中速度最高、消耗功率最大的运动
B.
主运动只有且必须有一个
C.
主运动可以是旋转运动,也可以是直线运动
D.
主运动可以是连续运动,也可以是间歇运动
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参考答案:
举一反三
【单选题】A foreign firm has bought more than half of the shares in his company and ______.
A.
got over it
B.
overtaken it
C.
taken it over
D.
overcome it
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【简答题】已知集合A={0,1,2,3,4},集合B={-1,0,1,2,5},则A∩B=______.
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【多选题】合同约首的内容一般包括( )。
A.
序言
B.
合同编号
C.
合同名称
D.
当事人名称和法律关系
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【判断题】他汀类降脂药主要降低甘油三酯
A.
正确
B.
错误
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【简答题】已知a∈R,函数f(x)=x 2 |x-a|, (Ⅰ)当a=2时,求f(x)=x使成立的x的集合; (Ⅱ)求函数y=f(x)在区间[1,2]上的最小值。
查看完整题目与答案
【简答题】已知a∈R,函数f(x)=x 2 |x-a|. (Ⅰ) 当a=1时,求使f(x)=x成立的x的集合; (Ⅱ) 判断函数y=f(x)的奇偶性; (Ⅲ)当a>2时,求函数y=f(x)在区间[1,2]上的最小值.
查看完整题目与答案
【简答题】已知函数f(x)=x|x 2 -a|,a∈R. (Ⅰ)当a≤0时,求证函数f(x)在(-∞,+∞)上是增函数; (Ⅱ)当a=3时,求函数f(x)在区间[0,b]上的最大值.
查看完整题目与答案
【单选题】Finally, they return the()to the people who bought shares in the company.
A.
cost
B.
price
C.
profits
查看完整题目与答案
【单选题】Zwick Company bought 80,000 shares of the voting common stock of Handy Corporation in January 2013. In December, Handy announced $200,000 net income for 2013 and declared and paid a cash dividend of $...
A.
$0.
B.
$28,000.
C.
$56,000.
D.
None of the above is correct.
查看完整题目与答案
【单选题】A 'trade debtor' of a company can best be described as a person or firm who______.
A.
bought goods from the company on credit and has not yet paid
B.
borrowed money from the company in the form. of a loan
C.
sold goods on credit to the company and has not been paid
D.
made a loan to the company
查看完整题目与答案
相关题目:
【单选题】A foreign firm has bought more than half of the shares in his company and ______.
A.
got over it
B.
overtaken it
C.
taken it over
D.
overcome it
查看完整题目与答案
【简答题】已知集合A={0,1,2,3,4},集合B={-1,0,1,2,5},则A∩B=______.
查看完整题目与答案
【多选题】合同约首的内容一般包括( )。
A.
序言
B.
合同编号
C.
合同名称
D.
当事人名称和法律关系
查看完整题目与答案
【判断题】他汀类降脂药主要降低甘油三酯
A.
正确
B.
错误
查看完整题目与答案
【简答题】已知a∈R,函数f(x)=x 2 |x-a|, (Ⅰ)当a=2时,求f(x)=x使成立的x的集合; (Ⅱ)求函数y=f(x)在区间[1,2]上的最小值。
查看完整题目与答案
【简答题】已知a∈R,函数f(x)=x 2 |x-a|. (Ⅰ) 当a=1时,求使f(x)=x成立的x的集合; (Ⅱ) 判断函数y=f(x)的奇偶性; (Ⅲ)当a>2时,求函数y=f(x)在区间[1,2]上的最小值.
查看完整题目与答案
【简答题】已知函数f(x)=x|x 2 -a|,a∈R. (Ⅰ)当a≤0时,求证函数f(x)在(-∞,+∞)上是增函数; (Ⅱ)当a=3时,求函数f(x)在区间[0,b]上的最大值.
查看完整题目与答案
【单选题】Finally, they return the()to the people who bought shares in the company.
A.
cost
B.
price
C.
profits
查看完整题目与答案
【单选题】Zwick Company bought 80,000 shares of the voting common stock of Handy Corporation in January 2013. In December, Handy announced $200,000 net income for 2013 and declared and paid a cash dividend of $...
A.
$0.
B.
$28,000.
C.
$56,000.
D.
None of the above is correct.
查看完整题目与答案
【单选题】A 'trade debtor' of a company can best be described as a person or firm who______.
A.
bought goods from the company on credit and has not yet paid
B.
borrowed money from the company in the form. of a loan
C.
sold goods on credit to the company and has not been paid
D.
made a loan to the company
查看完整题目与答案
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