将下列句子中汉语部分译成英语，注意使用适当的形式，并将答案写在答题卡的相应位置上。
【小题1】Smoking______your health， please give it up.(对……有害)
【小题2】The students often ask Mr Li for some advice on improving______.(英语口语)
【小题3】On weekdays.we must______school before730 in the morning.(到达)
【小题4】Many people nowadays are talking about______,but I know little about it.(黑洞)
【小题5】Now,______the robotic fish， researchers may be able to keep a close eye on fish and discover undersea secrets.(由于，多亏)

I can't find my keys.Maybe I them at home this morning.

A．left

B．forgot

C．lost

D．missed

—Maria，have you seen that article about touch-screen computer in Monday's paper?
—Yes.It tells us how to use the computer .

A．slowly

B．silently

C．simply

D．gently

The earth is often called the ocean planet. Its surface is 70 percent  .

A．land

B．plants

C．animals

D．water

My mother often says，“Stand tall like the sunflower and be proud  who you are.”

A．of

B．with

C．at

D．in

We' re very  about the graduation ceremony next Saturday.We can't wait to be there.

A．boring

B．bored

C．excited

D．exciting

—What's up，Lisa?
—I have to hand in the report tomorrow，but I can't anything to write.

A．talk of

B．think of

C．speak of

D．hear of