6.895四舍五入保留两位小数后,约等于______.
6.895≈6.90.
故答案为:6.90.
阅读短文,回答问题。
We have a new flat. It's on the second floor. There are three bedrooms, a kitchen, a bathroom, and a living
room. I have my own room now. It's small and nice. There is a mirror, a bed and a big desk. There is a new
computer. It's on the desk. There are pink curtains and two end tables. I love my new flat very much.
1. Our flat is on the floor.[ ]
A. first
B. second
C. third
2. How many rooms are there? [ ]
A. Four.
B. Five.
C. Six.
3. My own room is and[ ]
A. small, nice
B. big, nice
C. small, dirty (脏的)
4. Where is the computer?[ ]
A. It's on the desk.
B. It's on the bed.
C. It's in front of the mirror.
5. What colour are the curtains? [ ]
A. Yellow.
B. Green.
C. Pink.
慢性扁桃体炎作为病灶的主要依据是()。
A.慢性扁桃体炎反复发作
B.扁桃体炎反复发作,并与全身疾病关系密切
C.扁桃体肥大
D.扁桃体隐窝内能挤出干酪样分泌物
E.扁桃体表面不光滑、有瘢痕