电网基建项目和（）可归并为电网建设项目。 A.小型基建项目 B.技术改造项目 C.营

Schools and parents in Shenzhen City have been asked to take better care of children’s eyesight as 45 percent of them were found to be shortsighted. Too much reading, poor lighting and too much TV are blamed(责备). Of the city’s high school graduates(毕业生) who applied to study at colleges this summer, but now he gets up earlier.

小题1:The purpose(目的) of this passage is to_________.

A．criticize(批评) children who are shortsighted.

B．blame parents and schools for children’s being shortsighted.

C．ask the high school graduates to pay attention to their eyesight.

D．draw people’s special attention to eye hygiene(卫生).小题2:Only_______ of the children in Shenzhen City have good eyesight.

A．45 percent

B．less than half

C．55 percent

D．two thirds小题3:Generally speaking, high school students have_____ eyesight than primary school students.

A．poorer

B．better

C．brighter

D．good小题4:Because of being shortsighted many school graduates_______.

A．weren’t allowed to enter college

B．couldn’t graduate from high school

C．couldn’t choose to study what they liked best

D．lost their limited time小题5:In order to take care of eyes, children shouldn’t_______.

A．read books

B．watch TV

C．make their eyes too tired

D．see things far away

在结冰的道路上会车时，应（）稳住转向盘，缓慢交会。

A、临近减速

B、适当减速

C、提前减速

D、保持车速

关于MPV的临床应用价值和含义是（）

A.MPV伴随血小板增多而加大，表示造血功能衰竭

B.不具备独立的临床意义

C.由血液分析仪自动计算得出

D.表示平均血小板容积

E.MPV伴随血小板减少而降低，表示造血功能恢复

下述力、加速度、速度三者的关系中，错误的是[ ]

A．合外力发生改变的一瞬间，物体的加速度立即发生改变

B．合外力一旦变小，物体的速度一定也立即变小

C．合外力逐渐变小，物体的速度可能变小，也可能变大

D．多个力作用在物体上，只改变其中一个力，则物体的加速度一定改变

餐饮单位、大学食堂、居民小区和集贸市场产生的易腐有机垃圾均属餐厨垃圾。