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【单选题】
Why did American Indians begin to see the white settlers as a danger to them?A.
They fought against any law protecting the right of Indians.
B.
The settlers killed the animals and brought new diseases.
C.
They took away their animals and sold them to other white people.
D.
They made American Indians work hard without pay.
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【简答题】What’s the problem theworld is flow facing? Theworld is not only hungry but it is also thirsty for___________
【多选题】儿茶酚胺对心肌细胞离子通道的影响是______。
A.
增强心室肌细胞平台期Ca 2+ 内流和RYRCa 2+ 释放
B.
增强窦房结细胞4期的内向电流
C.
降低肌钙蛋白与Ca 2+ 的亲和力
D.
促进心室肌细胞0期Na + 的内流
E.
促进房室结细胞0期Ca 2+ 的内流
【简答题】下图为东北地区冬季降雪日数示意图,读图完成8-10题。 8 . 关于图中降雪日数分布情况描述正确的是 ( ) A . 降雪日数自南向北逐渐递减 B . 降雪日数自东向西逐渐递减 C . 图中平原区降雪日数最少 D . 近海地区降雪日数多于内陆地区 9 . 图中甲地降雪日数不是最多,降雪量却最大,其原因可能是 ( ) A . 位于冬季风的迎风坡 B . 更靠近海洋,水汽充足 C . 位于...
【单选题】The priest asked the only listener if he would be willing to have a shortened service. This suggests ________.
A.
he preferred a short one
B.
he wanted to leave soon
C.
the only listener couldn't arouse his spirits
D.
he was a priest fond of only short prayers
【单选题】What time was lunch in the hotel?
A.
From twelve o'clock to one o'clock.
B.
Only after one thirty.
C.
From half past twelve to half past thirteen.
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