解决我国水资源地区分布不均衡的有效办法之一是[ ] A、开发地下水 B、节约用水

题型:选择题

问题:

解决我国水资源地区分布不均衡的有效办法之一是[ ]

A、开发地下水

B、节约用水

C、兴修水库

D、跨流域调水

考点:中国的水资源
题型:选择题

The fire that destroyed the Municipal Building started before dawn this morning, and the last fire fighters did not leave until late this afternoon. No one could have been anywhere in the vicinity of a fire like that one and fail to notice it. Thomas must have seen it, whatever he now says to the contrary. He admits that, as usual, he went from his apartment to the library this morning, and there is no way for him to get from his apartment to the library without going past the Municipal Building.
The main conclusion of the argument is that

A.Thomas was in the vicinity of the fire this morning.

B.Thomas claimed not to have seem the fire.

C.Thomas saw the fire this morning.

D.Thomas went directly from his apartment to the library this morning.

E.(E) Thomas went by the Municipal Building this morning.

题型:选择题

下列关于临界区叙述正确的是

A.进程中访问临界资源的那段程序称为临界区

B.临界区最多允许两个进程进入

C.进程进入临界区的要求可以在无限的时间内得到满足

D.系统中一些资源一次只允许有限的进程使用,称之为临界资源

题型:选择题

下图曲线a和b是盐酸与氢氧化钠的相互滴定的滴定曲线,下列叙述正确的是

[ ]

A.盐酸的物质的量浓度为1 mol/L

B.P点时反应恰好完全,溶液呈中性

C.曲线a是盐酸滴定氢氧化钠的滴定曲线

D.酚酞不能用做本实验的指示剂

题型:选择题

In relation to contract law, explain the following:

(a) An offer. (5 marks)

题型:选择题

质量流量计与()组成质量流量计测量系统,完成质量流量的信号处理及输出。

A、电磁阀

B、PLC

C、传感器

D、仪表风系统

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