6. Many household (家用的) products are potentially       (harm) .

5. You must do some basic        (train) .

4. What made him       (interest) in painting?

3. This is a       (medicine) college.

2. Make sure       (finish) the work in half an hour.

1. We never have any trouble       (get) the car started.

  make a sound,lift up,first aid,make sure,

 good advice,first of all,have some trouble,at the bottom of

7.       ，let me introduce myself to you.

8. Give       when someone is lying on the ground.

  make a sound,lift up,first aid,make sure,

 good advice,first of all,have some trouble,at the bottom of

5. The old man       getting to the top of the hill.

6. My English teacher gave us some       on how to learn English well.

  make a sound,lift up,first aid,make sure,

 good advice,first of all,have some trouble,at the bottom of

3. The baby       by his father and he was very happy.

4.       that you write down all the notes in class.

  make a sound,lift up,first aid,make sure,

 good advice,first of all,have some trouble,at the bottom of

1. If the lake is clear,you can see all kinds of fish       it,

2. Please don't      . My mother is a very light sleeper.