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(13分)该图是局部区域经纬网及太阳高度等值线(A和B)示意图，读图回答下列问题： （1）图示时刻，太阳直射点M的地理坐标 。（2分） （2）该日正午太阳高度随纬度变化规律是 ；地球上有极夜现象的范围是 。（4分） （3）图中，等值线B的数值应为 。 （2分） （4）有关经线X度数的叙述正确的是（2分）（ ） A．等于110 0 E B．等于130 0 E C．小于130 0 E D．大于130 0 E （5）以下四幅图表示该日我国某中学操场上旗杆（旗杆立于O点）杆影端点移动的轨迹和方向，其中正确的是（ ）（3分）
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【简答题】【跟读训练1】Lesson 2 请跟读下面段落的音频,并诵读到完全流畅无滞,再听音频能够听懂每句话的程度。 The native Americans, the people we call the 'Indians', had been in America for many thousands of years before Christopher Columbus arrived in 149...
【单选题】赛庚啶属于
A.
氨基醚类组胺H1受体拮抗剂
B.
乙二胺类组胺H1受体拮抗剂
C.
哌嗪类组胺H1受体拮抗剂
D.
丙胺类组胺H1受体拮抗剂
E.
三环类组胺H1受体拮抗剂
【简答题】属于丙胺类H1受体拮抗剂（ ）。
【单选题】The flat is ____ for most of the citizens ____ it. A. so very expensive; to buy B. too expensive; to buy C. as expensive; as to buy D. more expensive; buying
A.
so very expensive; to buy
B.
too expensive; to buy
C.
as expensive; as to buy
D.
more expensive; buying
【单选题】—I paid 200 dollars for the necklace. I think it's much too expensive. —Expensive? I don't agree with you. You so before you _______ it.
A.
should have said; bought
B.
have said; bought
C.
had said; buy
D.
must have said; should buy
【简答题】Did Columbus fulfill his plan of sailing west to reach the Indies ?Why? 2. How long did it take to finish the first voyage?
【简答题】A．氨基醚类组胺H1受体拮抗剂 B．乙二胺类组胺H1受体拮抗剂 C．哌嗪类组胺H1受体拮抗剂 D．丙胺类组胺H1受体拮抗剂 E．三环类组胺H1受体拮抗剂 马来酸氯苯那敏属于
【简答题】丙胺类H1受体拮抗剂
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