问题
选择题
If you want to succeed, you have to it. [ ]
A. work hard with
B. work hard at
C. work on
D. work
答案
答案:B
If you want to succeed, you have to it. [ ]
A. work hard with
B. work hard at
C. work on
D. work
答案:B
下表是四地一年中昼长最大差值(R)和正午太阳高度最大差值(H)资料,据此回答1~3题。
① | ② | ③ | ④ | |
R | 2小时26分 | 24小时 | 0小时 | 5小时42分 |
H | 43。26' | 46。52' | 23。26' | 46。52' |
1、四地按纬度由高到低的排列,正确的是[ ]
D、11小时22分
3、当国际标准时为10时24分,①地太阳高度达一天中的最大值,则①地的经纬度可能为[ ]
A、43°26'N,156。E
B、23°26'N,24°E
C、20°S,24°E
D、46°34'S,156°E