两个右角形重叠在5起，重叠部分面积占大右角形小的16，占小右角形B的14，则右角

Read and tick or cross.阅读短文，判断对(√)错(×)。

     Uncle Wang has a farm. It's very big. There are many animals on his farm. Look, the horses and

the cows are in the field. They're eating grass. The rabbits are hopping in the field. The ducks are

swimming in the pond (浊塘). Some chickens are on the ground. The pigs are eating some fruits

under the tree. The dog is inside its house.

(     )1. The farm is big.

(     )2. There are many animals on Uncle Wang's farm

(     )3. The pigs are in the river.

(     )4. The ducks are swimming.

(     )5. The cat is inside its house.

如果一个三角形是等边三角形，那么它一定是等腰三角形．______．（判断对错）

与水文调查同步进行的水文测量，原则上（）进行。

A.只在一个时期内进行

B.必须分期执行

C.分期执行时必须是连续的两个时期

D.根据丰水期、枯水期等的不同而不同

能防止脊柱过度后伸的韧带是（）

A.项韧带

B.棘上韧带

C.棘间韧带

D.前纵韧带

E.黄韧带

公开招聘是指企业向企业内外的人员公开宣布（），提供一个公平竞争的机会，择优录用合格的人员担任企业内部岗位的过程。