更换截齿时,切断电源,拉掉机组隔离开关,闭锁()。
A.皮带
B.转载机
C.破碎机
D.刮板输送机
参考答案:D
Here are two pictures. You can see a man and a boy in one picture. Who are they? The man is Mr. Brown, and the boy’s name is Jack. They are father and son. They are in Jack’s room.
Now let’s look at the other picture. You can see a woman and a little girl in it. The woman is Jack’s mother and the girl is her daughter, Ann. They’re in Ann’s room. You can see a photo of the family on the white wall. A clock is on the table. It’s eleven. What’s that on the floor? Oh, it’s Ann’s hat, but it looks *like a white cat.
小题1: Is Mr. Brown Ann’s father?
A.Yes, he does.
B.No, he doesn’t.
C.Yes, he is.
D.No, he isn’t.小题2: Jack and Ann are _________.
A.father and mother
B.brother and sister
C.mother and son
D.cousin小题3: What color is Ann’s hat?
A.Yellow.
B.Blue.
C.White.
D.Black.小题4: In Ann’s room we can see __________.
A.a bookcase
B.a clock
C.a CD
D.a cat小题5: Who is in Ann’s room?
A.Ann’s mother.
B.Ann’s father.
C.Ann’s brother.
D.Jack.
我国现行建设项目总投资及工程造价构成中,流动资金投资应是 ______ 。
A.铺底流动资金
B.流动资金
C.土地使用费
D.基本预备费