题目内容

东莨菪碱（）

A. M受体激动剂
B. α、β受体激动剂
C. N受体激动剂
D. M受体阻断剂
E. 胆碱酯酶抑制剂

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下图中澳大利亚大陆中西部地区气候干旱的原因是（）

有关地壳和岩石圈的叙述，正确的是（）

解决大城市环境问题的根本措施是（）

根据以下材料回答第 1～4 题：
Passage One
On Christmas Eve—the night before Christmas Day children are very happy．They
put their stockings at the end of their beds begins before they go to bed．They want FatherChristmas to give them some presents．
Mr．Green tells his children that Father Christmas is a very kind man．He comes onChristmas Eve．He lands on top of each house and comes down the chimney into the fireplace and brings them a lot of presents．
Christmas Day always begins before breakfast．The children wake up very early．
They can’t wait to open the presents in their stockings．Then they wake up their parentsand call：“Merry Christmas!”
Do you know what Christmas means？Christmas Day is the birthday of Jesus Christ．
When Christ was born，many people gave him presents．So today，people still do the samething to each other．
第 36 题 Christmas Eve is ．