【判断题】账户的余额方向一般与记录减少额的方向在同一方向。 ( )A. 对 B. 错
【简答题】已知m∈R,命题p:对任意x∈[0,1],不等式2x-2≥m 2 -3m恒成立;命题q:存在x∈[-1,1],使得m≤ax成立 (Ⅰ)若p为真命题,求m的取值范围; (Ⅱ)当a=1,若p且q为假,p或q为真,求m的取值范围. (Ⅲ)若a>0且p是q的充分不必要条件,求a的取值范围.
【判断题】3047 账户的余额方向一般与记录减少额的方向在同 一 方向。
【单选题】欲绘制一个共有6个复合单元的元件,当绘制第2单元时,应执行的命令是()
【单选题】Which of the following does your textbook mention as a means of reinforcing the central idea in the conclusion of a speech?
C.
end with thanking the audience
【单选题】Which of the following does your textbook mention as a means of reinforcing the central idea in the conclusion of a speech?
A.
End with a rhetorical question.
C.
End with a visual aid.
D.
End with thanking the audience.
【简答题】The fallacy in which the unsupported conclusion is about a class as whole is the fallacy of composition. The fallacy in which the unsupported conclusion is about the members of a class taken individua...
【多选题】以下国家调查项目,需要报国务院审批的有()
【单选题】已知 q 为任意值,要使“ p 且 q ”假, p 应取()值。