水玻璃是一种水硬性胶凝材料，在建筑工程中常用来配制水玻璃胶泥和水玻璃砂浆，以配制水玻

One way for people to cut back on oil use is to switch to other types of fuel. Because wood is a renewable resource and can always be kept in constant supply, the use of wood instead of oil for home heating would be one way to assure the availability of energy resources in the future.
The argument above would be most seriously weakened if which of the following were true

A．In every country that uses wood for heating, wood is used to provide only part, not all, of the heat for a home.

B．Every country that has ever used wood for heating has depleted its forests before the forests were able to regenerate themselves.

C．Every country that has used wood for home heating has done so only because it possessed a limited amount of other natural resources.

D．Many countries that use wood primarily for heating have a high incidence of fires that are due to improperly installed wood stoves.

E．(E) In some countries the wood that would be used for home heating is owned by the government.

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请根据以上资料，选择以下栏目正确选项：

“用途”栏（）。

A．01

B．04

C．05

D．07

带特大土球的大树移植时，一般要用吊车装车，装车时必须土球（）。

A.向前

B.向后

C.竖立

D.在车箱中间

20世纪初，美国华尔街开始流行一个段子：老师问学生：是谁创造了世界？学生回答：是上帝在公元前4004年创造了世界。但在1901年，世界又被摩根先生重组了一回。摩根是美国著名财团的创始人，对该材料最准确的理解是（）

A.反映了上帝创世说

B.肯定了摩根先生的功绩

C.体现了大企业时代资本的深刻影响

D.强调了美国的世界地位

临时度汛洪水标准应根据坝型及坝前拦洪库容确定，混凝土坝拦洪库容大于1.0亿m³时，洪水标准为（）。

A.20～10年

B.50～20年

C.不小于50年

D.100～50年