我国南极长城站位于62°13'S,有极夜和极昼吗?()
A.无极夜、有极昼
B.有极夜、无极昼
C.没有极夜、也没有极昼r/>
D.南北极圈
A.无极夜、有极昼
B.有极夜、无极昼
C.没有极夜、也没有极昼r/>
D.南北极圈
A.冰雪已经大量消融
B.正是“夏季”,处于极昼时期
C.正是极夜时期,风雪较小
D.正是“冬季”,处于昼短夜长的时期
下列现象不是由人为原因引起的是
A.水库大坝附近的土壤次生盐碱化
B.南极上空的臭氧层出现空洞
C.我国东南沿海地区的台风
D.我国东南丘陵地区的“红色沙漠”
若黄赤交角为22°26′,则()
A.1月北半球热带、温带地区昼长与夜长的比值增大
B.有极夜现象的范围增加
C.纬度66°34′地区的极昼增长
D.热带范围扩大
下列四组城市中,均位于我国半湿润地区的有 ()
A.贵阳、济南、郑州、西安
B.石家庄、呼和浩特、太原、唐山
C.合肥、徐州、济南、西安
D.天津、徐州、石家庄、洛阳
The two men walked happily for half an hour, 【64】 then one of them said to the other, "That's a 【65】 beautiful girl. "
"Where can you see a beautiful girl?" said the 【66】 "I can't see one anywhere. I can see two young 【67】 They're walking towards us. "
"The girl's walking behind us. " 【68】 the first man quietly.
"But how can you see her 【69】 ?" asked his friend.
The first man smiled and said. "I 【70】 see her. but I can see the two young men's eyes. "
(61)
A.in
B.on
C.of
D.with
下列地理事物中属于自然环境的有 ()
A.内蒙古草原上开辟的牧场
B.苏伊士运河
C.南极冰川
D.水平梯田
On line I met a man【59】said he was a manager in a big company in Dalian. We【60】pleasantly first, then exchanged e-mail【61】in order to keep in touch in the future.【62】, he sent me【63】. When I opened it, I found, to my【64】, a detailed(详细的) self-introduction including age,【65】, weight, habits and future plans. It was an advertisement for a dating(约会) service! I was hurt【66】felt rather angry.
When I told a veteran (有经验的) Internet surfer (网民)【67】my experience, he said it was not【68】! was【69】. The Web provides such a nice, large place to make friends, why do some people【70】it?
The relationship between one another should be mutual(互助的) politeness and【71】. Online we【72】see one another's physical form, but we are talking through our【73】. Such【74】as the one I met are not polite at all.
Since the Web belongs to everyone, every user has a duty to keep a friendly and polite atmosphere (氛围]). We need【75】honesty and respect on-line.
(36)
A.exciting
B.disappointing
C.surprising
D.frightening