如果要在【我的电脑】窗口中查看文件的创建日期，可以将显示方式改为（）。 A.大图标

此时应如何处理

A．加大已应用的广谱抗生素量
B．输血抗休克治疗
C．药物降温
D．停止使用原抗生素，该用抗真菌药物
E．人工冬眠治疗

A bus stops at a small bus stop. A man is hungry and he wants to buy some cakes. It’s raining(下雨) hard, he doesn’t want to go out in the rain. He sees a boy. “Come here, boy!” he cries. “Do you know how much the cakes are?” The boy says yes. The man gives the boy four dollars(美元) and asks him to buy two cakes. “One is for you and one is for me.” Three minutes later, the boy comes back. He’s eating a cake. He gives the man two dollars and says: “Sorry, there is only one cake left.”

小题1:Where is the man?

A．He’s near the bus.

B．He is at home.

C．He’s in the bus.

D．He is in the car.小题2:The man doesn’t want to go out because__________.

A．he is tired

B．he doesn’t like rain

C．he is hungry

D．it’s raining hard小题3:How many cakes does the boy get?

A．One

B．Two

C．Three

D．Four小题4:How much are they if we buy five cakes?

A．five dollars

B．Four dollars

C．Ten dollars

D．Fifteen dollars小题5:What’s the result (结果)?

A．The man eats the cake.

B．The boy eats the cake.

C．The boy doesn’t eat the cake.

D．The boy and the man both eat the cakes.

下列各组物质中，互为同位素的是（　　）

A．

B．O₂和O₃

C．NO和NO₂

D．H₂O和H₂O₂

（5分）可逆反应3A(g)3B(?)+C(?)  △H>0达到化学平衡后，

（1）升高温度，用“变大”、“变小”、“不变”或“无法确定”填空。

a.若B、C都是气体，气体的平均相对分子质量① ；

b.若B、C都不是气体，气体的平均相对分子质量 ② ；

c.若B是气体，C不是气体，气体的平均相对分子质量③ ；

(2)如果平衡后保持温度不变，将容器体积增加一倍，新平衡时A的浓度是原来的60%，则B是④ 态，C是⑤ 态。

关于H⁺分泌的描述，错误的是( )。

A．近球小管、远曲小管和集合管均可分泌

B．分泌过程与Na⁺的重吸收有关

C．有利于HCO₃^-的重吸收

D．可阻碍NH₃的分泌

E．远曲小管和集合管H⁺分泌增多时，K⁺分泌减少