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问题 选择题

My grandma ______ to see me .Please help me to buy some food.

A．is coming

B．comes

C．came

D．coming

答案

答案：B

此题考查固定短语in good health表示身体健康。

阅读理解

根据对话打“√”或“×”判断对错。

Liu Yun is asking to a policeman.

Liu: Excuse me. Where is the ZhongBai Supermarket, please?

Policeman: It's west of the hospital.

Liu: Is it far from here?

Policeman: Yes.

Liu: How can I get there?

Policeman: First, turn left and take the No. 16 bus at the bus stop. Next, get off at the hospital.

                Then, cross (穿过) the street. You'll be in front of the post office.

Liu: Thank you.

Policeman: You're welcome.

( ) 1. The post office is next to the supermarket.

( ) 2. The supermarket is west of the hospital.

( ) 3. Liu Yun goes to the supermarket on foot.

( ) 4. Liu Yun asks a policeman for help.

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选择题

下列离子方程式中，正确的是

A．已知电离平衡常数：H2CO3＞HClO＞HCO3－，向NaClO溶液中通入少量二氧化碳：

ClO－+CO2+H2O＝HClO+HCO3－

B．硅酸钠溶液与醋酸溶液混合：SiO32－+2H+＝H2SiO3↓

C．从酸化的海带灰浸出液中提取碘：2I－＋H2O2＝I2＋2OH－

D．FeCl2溶液中滴加NaClO溶液生成红褐色沉淀：2Fe2++ClO-+5H2O＝2Fe(OH)3↓+Cl-+4H+
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