读5005000时只读出两个零______.
5005000读作:五百万五千;
故答案为:×
She always finds _____ a waste of money and time ______a day dream in school.
that; to dream B. this ; to dream C. its; dreaming D. it ; dreaming
地下洞室如必须穿越含瓦斯的煤系地层,则应尽可能与煤层走向()
A.平行
B.垂直
C.45°斜交
D.以上均可