设有高位消防水箱的消防给水系统,当设有增压设施时,其气压水罐的调节容积宜为()。
A、800L
B、600L
C、450L
D、300L
参考答案:C
阅读理解。
Read the clues (线索):
1. The man in the red house likes running.
2. Mr. Smith swims. He doesn't live in the yellow or white house.
3. The tennis player lives in the yellow house.
4. Mr. Green does Taiji.
5. Mr. Read doesn't have a racket.
1.Who lives in the red house?
A. Mr. Smith.
B. Mr. Green.
C. Mr. Read.
D. Mr. Black.
2. What is Mr. Read's favourite sport?
A. Running.
B. Swimming.
C. Playing tennis.
D. Taiji.
3. Who lives in the white house?
4. Which is Mr. Smith's house?
A. The white house.
B. The yellow house.
C. The red house.
D. The blue house.
5. Who likes playing tennis?
墨卡托坐标表示法中,S-E象限为第()象限。
A、0
B、1
C、2
D、3