Many people like to keep pets. Dogs and cats are very  {#blank#}1{#/blank#}   pets. Some people, however, keep birds or goldfish. They need less space and are easier to look after.　　

 If you want to have a pet, you can buy one from a pet  {#blank#}2{#/blank#}    but you must be careful not to buy a sick animal. It is best if you know something about the pet you want. This helps you choose a healthy pet. However, if you do not have much money and know very {#blank#}3{#/blank#}  about animals, you can visit the Royal Society for the Prevention of Cruelty to Animals(皇家防止虐待动物协会).

 The first RSPCA was established in England in 1821. It was set up to make sure that all animals are {#blank#}4{#/blank#}  with kindness. The RSPCA in Hong Kong carries out this aim. The RSPCA officers collect animals which have no {#blank#}5{#/blank#}   and are left in the street. They look after them {#blank#}6{#/blank#}  they are healthy again. People visiting the RSPCA may choose their pets from these animals and you can be sure that you will get a  {#blank#}7{#/blank#}    pet. If later your pet becomes ill, you can  {#blank#}8{#/blank#}  it to the doctors at the RSPCA for treatment.

 When you have a pet, it is very {#blank#}9{#/blank#}   that you look after it properly. You must remember to feed it on time. You should also give it a {#blank#}10{#/blank#}  and comfortable place to rest. Your pet will be happy and healthy if you love it and care for it properly.

    Hi! I'm Cheng Ling. I'm a{#blank#}1{#/blank#}. My school life is very interesting.

    We have four{#blank#}2{#/blank#} in the morning. The class begins at 8:00. In the {#blank#}3{#/blank#}, we have two classes. We have English, Science, history, music and some other{#blank#}4{#/blank#}. Music is my{#blank#}5{#/blank#}subject. I often sing and dance with{#blank#}6{#/blank#}classmates on weekends. But I don't like science,{#blank#}7{#/blank#} I think it's difficult and{#blank#}8{#/blank#}_. Do you think so?

    After school, I often{#blank#}9{#/blank#} soccer with my friends. But my favorite {#blank#}10{#/blank#} is volleyball. And I can play it well.

    The planet Mars is the closest and most similar planet to Earth. It is very{#blank#}1{#/blank#}to scientists. For example, Mars has seasons with{#blank#}2{#/blank#}weather, but other planets have the same temperatures all year round. Was there{#blank#}3{#/blank#}on Mars?

    To find out, scientists need{#blank#}4{#/blank#}if Mars ever had water. In 2004. two robot explores (探测器), or 'rovers', called Spirit and Opportunity were sent to look for{#blank#}5{#/blank#}of water. These rovers can drive over rocks{#blank#}6{#/blank#}all kind of rough ground. They can also use cameras and send photos{#blank#}7{#/blank#} to Earth. First, the two rovers found chemicals and patterns (图文) in the rocks that were probably made by water. Then, they moved to another area and{#blank#}8{#/blank#}other rocks which may have been created by water. Now scientists think there was probably water on the planet long ago. Today  {#blank#}9{#/blank#}are still not sure if there was life on the mars. They{#blank#}10{#/blank#}need more information to decide. The discoveries of the two rovers answered some old questions, but they also brought up many new ones.