统计分组的原则是要体现（）。 A.组内差异性，组间同质性 B.组内同质性，组间差异性

单词拼写

1. This bank has formed three______(分支机构) in three different cities.

2. When you are abroad, you must find ways to______(使…适应) yourself to the culture and custom

there.

3. The man decided to buy some        . (家具)

4. Children should be told not to follow      (陌生人).

5. He is one of the winners of the game ____(属于)to our class.

6. As everyone knows, children are ______(好奇)about how things work.

7. It is _______(方便的)to live near stores and bus stations.

8. She's ______(很少)seen to read a newpaper in her spare time.

9. What's your_____(态度)to the plan that we'll spend a lot of money on this project?

10. Bill was doing a lot of exercise to build up his       (力量).

以下关于胰腺癌的叙述，错误的是（）

A.好发年龄在20～30岁

B.多为胰头癌

C.按组织类型，以导管细胞癌最多

D.广泛浸润周围组织、器官，并较早经淋巴转移

E.该病早期诊断困难，手术切除率低，预后差

无符号二进制整数01110101转换成十进制整数是( )。

A．113

B．115

C．116

D．117

治疗小儿口疮风热乘脾证宜选用（）。

A.凉膈散

B.泻黄散

C.清热泻脾散

D.泻心导赤散

E.六味地黄丸

进入九年级以后，小明同学根据自身的实际情况，制定了详细的近期、中期和长期学习计划，将自己的学习总目标分解为一个个小目标并逐步加以实现。小明的这种做法有助于（   ）

①提高学习的积极性 

②将学习压力转化为学习动力

③增强学习的信心   

④其它同学提高学习成绩

A ①②③④    B ①③④   C ②③④   D ①②③