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回答问题： Ⅰ．某人一次性饮1000mL清水，1h内尿量显著增加，这是由于细胞外液渗透压________(填“升高”或“降低”)，刺激___________处的渗透压感受器，导致其释放的激素减少，降低了肾小集合管对水的通透性，使吸收减少。饮水1h后，尿量逐渐恢复正常。机体通过_________机制维持内环境相对稳定。 Ⅱ．图1和图2分别是反射弧和突触的结构示意图，图2中的Y来自图1中的A，图2 中的X来自大脑皮层。 (1)图中C为该反射弧的_____________。 (2)当感受器接受适宜刺激后，若导致效应器产生反应，则①释放的递质使③______(填“兴奋”或“抑制”)。 (3)若用药物阻断②与③之间的联系，则当感受器接受适宜刺激后，效应器_____(填“能”或“不能”)产生兴奋；若A处受损，则当感受器接受适宜刺激后，效应器_______(填“能”或“不能”)产生兴奋。
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【单选题】---Is there any particular soup you would like to have?
A.
-_______you select is all right with me.
B.
Whatever
C.
Which
D.
No matter what
E.
Anyone
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A.
The rain is usually very light.
B.
The rain comes mostly at night.
C.
They have got used to the rain.
D.
They drive most of the time.
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A.
While
B.
Once
C.
Though
D.
Unless
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A.
Working hard may prepare yourself opportunity.
B.
Success always depends on opportunity.
C.
Opportunity can replace hard work in job hunting.
D.
Working hard will ensure you success.
【单选题】Questions 19 to 22 are based on the passage you have just heard
A.
they want to learn as many foreign languages as possible.
B.
they have an intense interest incross-cultural interactions.
C.
they acquire an immunity to culture shock.
D.
they would like to live abroad permanently.
【单选题】--- You should have thanked her before you left.
A.
- I meant _________, but when I was leaving I couldn’t find her anywhere.
B.
to do
C.
to
D.
doing
E.
doing so
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