花生播种前常要松土的主要原因是种子萌发需要（　　）

    These are Cara and Ben. They are twins (双胞胎). They are twelve. This is their bedroom. It's a nice room. There are two beds in the room. The yellow bed is Cara's and that green one is Ben's. The twins have one desk and two chairs. The chairs look the same. Cara's sweater is on his bed. Ben's coat is on his chair. Their clock, books and pencil-boxes are on the desk. Their schoolbags are behind the chairs.

    People think earthquakes are terrible. That's 1 to understand. No one knows when an earthquake will happen. But we can do something to 2 for it. So when it happens, we can 3 ourselves.

    What governments should do

    Governments 4 to teach people about what earthquakes are and where  earthquakes easily happen in the country, 5people will know about earthquakes and what to do when they happen.

    Governments should also make sure that some places 6 fire stations, police stations, hospitals and schools are working well when emergencies (突发情况) happen.

    What people should do

    During an earthquake, try to 7 away from things like buildings, trees, windows and so on. 8 yourself under a piece of strong furniture.

    Move into the open places when an earthquake happens. Go out of the building if 9 because the building may fall down.

    There are usually aftershock (余震) hours, days and even months after a main10. Try to protect yourself and pay attention to them.

    In a word, don't be afraid of earthquakes.