检定压力真空联成表时,检定点的选择其压力部分应不少于()点,真空部分不少于()点。
参考答案:3;1。
阅读理解。
It is Saturday. The Browns are at home. Mrs. Brown is in the kitchen. She's
making apple pies(苹果派). The pies she makes are very delicious. Do you
want to have a taste?Mr. Brown isn't in the living room. He is outside. He is
washing his car. The car is new and very beautiful. So he looks after it very
well. Jim is in the garden. He is playing football with some other boys. Where is
his sister, Sue?She's in her bedroom with her friend, Ann. They are watching the
Animal World.
1. There are _____ people in Mr. Brown's family.
A. six
B. four
C. two
D. three
2. Mrs. Brown is _____.
A. tasting the apple pies
B. watching TV
C. cooking
D. eating a cake
3. Mr. Brown looks after _____ very well.
A Mrs. Brown
B. his daughter
C. his family
D. his car
4. Who are playing outside? _____
A. Mrs. Brown and Sue
B. Some boys
C. Sue and Ann
D Some girls
5. What's the meaning of the underlined word 'taste' in Chinese?
A. 品尝
B. 模仿
C. 搅拌
D. 烹饪
下列工业农业和生活上的用水不宜提倡的是( )。
A.园林喷灌
B.工业用水重复使用
C.用杯接水刷牙
D.不间断地边注水边洗衣服