GPS卫星星座的工作卫星和在轨备用卫星分别是：
| A．21颗和3颗 | B．22颗和 2颗 | C．21颗和4 颗 | D．24颗和4颗 |
图1为欧洲四种农业地域类型分布图，图2是该区域某种农业地域类型的经营方式示意图。读图回答1-3题。
1.面向城市市场，商品化和集约化程度最高的农业地域类型是（）
| A． |
a |
B． |
b |
C． |
c |
D． |
d |
2.若图2中箭头线q表示产品流量最大，则该经营方式对应的农业地域类型是（）
| A． |
a |
B． |
b |
C． |
c |
D． |
d |
3.m、n两地均盛产葡萄。两地相比，m地的区位优势是（）
| A． |
交通便捷 |
B． |
市场广阔 |
C． |
鲜果上市早 |
D． |
技术条件好 |
_____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.
| A．When | B．As | C．While | D．Since |
Mr Smith, of the speech, started to read a novel.
| A．tired; boring | B．tiring; bored |
| C．tired; bored | D．tiring; boring |
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
| A．what | B．that | C．which | D．when |
All of us still remember the terrible earthquake that Tangshan twenty years ago.
| A．attacked | B．struck |
| C．knocked | D．exploded |