植物根尖细胞中的能量转换器有[ ] A．液泡 B．线粒体和叶绿体 C．线粒体 D

下列风向、风力图中，表示东南风4级的是（　　）

A．

B．

C．

D．

每一项咨询任务都是()。

A．一次性、集体的任务

B．重复性、集体的任务

C．一次性、单独的任务

D．重复性、单独的任务

第二节：语法填空（共10小题，每小题1.5分，满分15分）

阅读下面短文，根据上下文填入适当的词语，或使用括号中的词语的适当形式填空，并将答案在答题卡上标号为26-35的相应位置涂黑。

A few years ago, SARS broke out in the mainland of China, ____26____ (cause) some people to be killed or nearly got close to____27_____ (die). The situation was so severe _____28___ there was no time to debate who is to blame. The most important thing for the government to do is to find out ____29____ cause of this deadly disease. They invited all the most experienced experts in this field to discuss and quite a few suggestions ____30____ (put forward). Some of the top experts then tested them to see ____31____ they were available. Doctor Zhong Nanshan chose one patient who was ___32___(serious) ill and had little hope of picking up and had the new medicine ____33____(test) on him. To his great joy, this patient recovered! He made his way to his office and telephoned the top official, telling him this exciting news. ___34____ convenience, he moved to live in his office. His method did make sense. Not soon after that, the other hospitals also controlled this terrible disease ___35___ kicked it out finally.

材料的堆积密度是指散粒状材料在（）下单位体积的质量。

A.绝对密实状态

B.自然状态

C.自然堆积状态

D.绝对密实状态近似值

电场强度是描述（）的物理量。

A.电量

B.电压

C.电流

D.电场强弱