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【简答题】
Suppose the equation x 2 -2kx+k2-1=0 has two unequal real roots x 1 ,x 2 , which satisfy |xi-1|< 3(i=1,2). Then the range of values for the real number k is _____.
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参考答案：
举一反三
【单选题】执行下面程序是，想将32和3.2分别赋值给x和y，正确的输入方法是（ ）int x;float y;scanf("x=%d,y=%f",&x,&y);
A.
32(空格)3.2
B.
32,3.2
C.
x=32,y=3.2
D.
x=32(空格)y=3.2
查看完整题目与答案
【单选题】有关存货审查的下列表述中，正确的是（）。
A.
存货监位是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验收单或入库单，并比较发票、验收单或入库单日期及存货入账日期
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
【单选题】听力原文：W: I just found the most useful device at that new outdoor store, a water purifier. M: A water purifier? You want to carry even more equipment with you on our hiking trips? W: If it's lightweight...
A.
In restaurants.
B.
On camping trips.
C.
In science laboratories.
D.
On car trips.
查看完整题目与答案
【单选题】听力原文：W: Could you drop me off at the department store? I want to look at some shoes they advertise on sale. M: Sure thing. I can pick you up in an hour and a half in front of the drugstore. Is that al...
A.
In front of the department store.
B.
Near the drugstore.
C.
In a car.
D.
At the shoe store.
查看完整题目与答案
【单选题】关于等势面下面说法正确的是:
A.
等势面上,各点场强的大小一定相等
B.
在电势高处,电势能也一定高
C.
场强大处,电势一定高
D.
场强的方向总是从电势高处指向电势低处
查看完整题目与答案
【单选题】有关存货审查的下列表述中,正确的是( )。
A.
存货监盘是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验货单，确定发票附有验收单
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
【单选题】听力原文：W Brian, I dropped by the store yesterday afternoon. I was kind of surprised. It doesn't look like the decorator is doing a very good job with the interior. M The decorator has been finishing up ...
A.
An interior designer
B.
A store owner
C.
A party planner
D.
A project manager
查看完整题目与答案
【单选题】听力原文：W: I thought the department store was open late from Tuesday through Friday night. M: No, just Thursdays and Fridays. Q: On what nights is the store open late? (15)
A.
Thursdays and Fridays.
B.
Tuesdays and Fridays.
C.
Wednesdays and Thursdays.
D.
Tuesdays, Thursdays, and Fridays.
查看完整题目与答案
【简答题】若时域信号为x(t)y(t)，则相应的频域信号为(    )。 (A) X(f)Y(f)  (B) X(f)+Y(f)    (C) X(f)*Y(f)    (D) X(f)-Y(f)
查看完整题目与答案
【单选题】有关存货审查的下列表述中，正确的是（ ）。
A.
存货监盘是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验收单或入库单，并比较发票、验收单或入库单日期及存货人账日期
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
相关题目：
【单选题】执行下面程序是，想将32和3.2分别赋值给x和y，正确的输入方法是（ ）int x;float y;scanf("x=%d,y=%f",&x,&y);
A.
32(空格)3.2
B.
32,3.2
C.
x=32,y=3.2
D.
x=32(空格)y=3.2
查看完整题目与答案
【单选题】有关存货审查的下列表述中，正确的是（）。
A.
存货监位是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验收单或入库单，并比较发票、验收单或入库单日期及存货入账日期
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
【单选题】听力原文：W: I just found the most useful device at that new outdoor store, a water purifier. M: A water purifier? You want to carry even more equipment with you on our hiking trips? W: If it's lightweight...
A.
In restaurants.
B.
On camping trips.
C.
In science laboratories.
D.
On car trips.
查看完整题目与答案
【单选题】听力原文：W: Could you drop me off at the department store? I want to look at some shoes they advertise on sale. M: Sure thing. I can pick you up in an hour and a half in front of the drugstore. Is that al...
A.
In front of the department store.
B.
Near the drugstore.
C.
In a car.
D.
At the shoe store.
查看完整题目与答案
【单选题】关于等势面下面说法正确的是:
A.
等势面上,各点场强的大小一定相等
B.
在电势高处,电势能也一定高
C.
场强大处,电势一定高
D.
场强的方向总是从电势高处指向电势低处
查看完整题目与答案
【单选题】有关存货审查的下列表述中,正确的是( )。
A.
存货监盘是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验货单，确定发票附有验收单
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
【单选题】听力原文：W Brian, I dropped by the store yesterday afternoon. I was kind of surprised. It doesn't look like the decorator is doing a very good job with the interior. M The decorator has been finishing up ...
A.
An interior designer
B.
A store owner
C.
A party planner
D.
A project manager
查看完整题目与答案
【单选题】听力原文：W: I thought the department store was open late from Tuesday through Friday night. M: No, just Thursdays and Fridays. Q: On what nights is the store open late? (15)
A.
Thursdays and Fridays.
B.
Tuesdays and Fridays.
C.
Wednesdays and Thursdays.
D.
Tuesdays, Thursdays, and Fridays.
查看完整题目与答案
【简答题】若时域信号为x(t)y(t)，则相应的频域信号为(    )。 (A) X(f)Y(f)  (B) X(f)+Y(f)    (C) X(f)*Y(f)    (D) X(f)-Y(f)
查看完整题目与答案
【单选题】有关存货审查的下列表述中，正确的是（ ）。
A.
存货监盘是证实存货完整性和所有权的重要程序
B.
存货计价审查的样本主要选择余额较小且价格变动不大的项目
C.
存货截止期测试的方法是抽查决算日前后购货发票与验收单或入库单，并比较发票、验收单或入库单日期及存货人账日期
D.
对盘点难度大的存货，应根据被审计单位存货收发制度确认存货数量
查看完整题目与答案
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