外周血各种白细胞的参考值范围：中性杆状核粒细胞_______；中性分叶核粒细胞___

阅读理解。

    An old scientist recently made several tests with different animals to find out which was cleverer than

other animals.

    In one test the old scientist put a monkey in a room where there were several boxes. Some boxes were

inside other boxes. One small box had some food in it. The scientist wanted to watch the monkey and to

find out how long it would take the monkey to find the food. The scientist left the room. He waited a few

minutes outside the door. Then he got down on his knees (膝盖) and put his eyes to the keyhole. What did

he see? To his surprise, he found himself looking into the eye of the monkey. The monkey was on the other

side of the door and looked at the scientist through the keyhole.

1. The scientist did the test to see ______. [ ]

A. if the monkey would steal (偷) the food

B. if the monkey would look for the food

C. if the monkey was cleverer than other animals

D. if some boxes were inside other boxes

2. In one test the scientist put a monkey ______. [ ]

A. into a small box

B. into several small boxes

C. into a box where there was some food

D. in a room

3. After the scientist left the room, the monkey ______. [ ]

A. began to eat food

B. began to look for food

C. looked at the scientist through the keyhole

D. came into the boxes one after another

4. The scientist ______. [ ]

A. got down on his knees and waited outside the door

B. got down on his knees and heard with his ears

C. left the room for a long time

D. looked at the monkey through the keyhole with his eyes

5. To the scientist's surprise ______. [ ]

A. the monkey got down on its knees

B. the monkey came out of the room

C. the monkey looked at the scientist through the window

D. the monkey put its eye to the keyhole

读一读，做一做。

　　小狮子听了妈妈的话，开始刻苦学习。他终于学会了奔跑○扑食○撕咬的本领。大树对他说：“你现在是一只真正的小狮子了。”

1．在○里打上标点符号。

2．“刻苦”的近义词是（　　）。

3．我知道了真正的狮子要学会__________、__________、__________的本领。

4．我也想对小狮子说：

___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

___________________________________________________________________

某城市为调查居民对市政建设的满意度，先从该市所有居委会中随机抽取20个居委会，再从每个被抽中的居委会中随机抽取30个居民家庭进行入户调查。该项调查采用的抽样方法是（）。

A.分层抽样 

B.整群抽样 

C.系统抽样 

D.多阶段抽样

患者，男，58岁，突感剧烈头痛、恶心、呕吐、眩晕，下肢疼痛，查脑膜刺激征阳性，脑脊液检查呈血性，压力增高，最可能的诊断是（）。

A.脑血栓形成

B.脑栓塞

C.蛛网膜下腔出血

D.脑供血不足

E.高血压脑病

基层党组织（）至少应组织一次集体学习。

A、每半月

B、每月

C、每季度

D、半年