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【单选题】
(一)蓄电池的正、负极板浸在电解液中,则发生化学反应形成电极电位 并 产生电动势(二)只有接通蓄电池的外电路,发生化学反应,形成电极电位,产生电动势,则以下说法中正确的是
A.
仅(一)正确
B.
仅(二)正确
C.
(一)、(二)均正确
D.
(一)、(二)均不正确
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【单选题】Christianity has become a worldwide religion since it()almost two thousand years ago.
A.
has begun
B.
had begun
C.
began
D.
begins
【多选题】棉花(双子叶植物)叶片的结构有( )特点。
A.
具有无限维管束
B.
气孔器保卫细胞哑铃型
C.
叶肉具有“峰谷腰环”结构
D.
具有栅栏组织
【单选题】Since the Iraq war, many an American has come to realize that it is almost impossible for him or her to strike it rich no matter how hard he or she works.
A.
Y
B.
N
C.
NG
【简答题】阅读理解。 Danny was just tired about the way things were going. His mum came to school and talked on and on about Rick Jackson. It seemed that she would never stop talking. 'Somebody's got to stop that bo...
【单选题】【C2】
A.
for
B.
at
C.
in
D.
since
【单选题】Since 1999, the number of foreign students at German universities ______ from 113,000 to almost 200,000. [     ]
A.
has increased
B.
have increased
C.
are increased
D.
was increased
【简答题】III . 完形填空 (10 分 ) 先通读下面短文,掌握其大意,然后从每题所给的四个选项中选出最佳选项。 Bobby was very excited! His family was going on a camping trip! Mum 36 a list of items ( 项目清单 ) that they would need to bring. And Bobby’s 37 was ...
【单选题】My uncle went to Australia last year. We haven't seen him ______. [     ]
A.
since almost a year
B.
from almost a year on
C.
after almost a year
D.
since almost a year ago
【单选题】Almost since the beginning of mankind, governments have been recording the numbers of their populace. The first known census report took place in 3800 B. C. in Babylonia for the purpose of deciding wh...
A.
1085
B.
1200 B.C.
C.
3800 B.C.
D.
1790
【单选题】Since then the population of London________by almost 50,000 a year—an increase largely fuelled by immigration.
A.
has risen
B.
have risen
C.
rises
D.
rise
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