男性，40岁，尿频、尿急、尿痛5年，有时出现肉眼血尿。体检：贫血貌，血尿素氮33mm

若关于x的方程x²+mx+1=0有两个不相等的实数根，则实数m的取值范围是[ ]

A、(-1，1)

B、(-2，2)

C、(-∞，-2)∪(2，+∞)

D、(-∞，-1)∪(1，+∞)

根据所给对话及情景完成下列对话，每空填一句。

Mary: Hi, Tom! Come in, please.

Tom: Hi! 1______?

Mary: I'm looking for information about Sydney on the Internet.I'm going to Sydney for my holiday.

Tom: Aren't you lucky! 2______?

Mary: No, but my father has been there twice. He told me there were many places of interest there.

Tom: 3______?

Mary: I'm leaving at 9 am on Tuesday, July 4th.

Tom: 4______?

Mary: Of course.

Tom: Have you ever flown in a plane?

Mary: 5______.

Tom: You must be excited when you fly in a plane.

Mary: Really?  I can't wait for it.

从学前儿童身心发展的角度，游戏的价值体现有哪些？

下列说法符合工作报告写作要求的是( )。

A．适宜采用概括叙述的表达方式，避免描述事情的细枝末节或罗列数字
B．中心明确，重点突出
C．报告内容应有新意
D．点面结合，实事求是

古马隆含水量要小于（）。

A.0.5

B.1.0

C.1.5

D.2.0