16.Ⅲ.聽短文,選答案. 16.When do children in Western countries usually start to do chores to get money? A.When they're 6. B.When they're 10. C.When they're 12. 17.Children do chores only on weekends because___. A.they have to study from Monday to Friday B.they want to play from Monday to Friday C.they have nothing 10 do on weekends 18.Which of the following do younger kids often do? A.Cook dinner for the family. B.Cut grass. C.Feed t he family cat or dog. 19.Older kids have to do more chores to___. A.give the younger Ones more candy B.get more money C.have more candy 20.The writer wants to tell us that___. A.getting money is not easy B.doing chores-takes time C.doing chores is good for kids.
77.A mineral is something in nature that is neither a plant nor an animal.Most rocks have two or more minerals.(1)
? First,look for color.Some minerals are light in color,while others are dark.(2)
,because many minerals have more chemicals that give them a different color. (3)
.Some minerals shine brightly.Others may look smooth.Still others may have a shining luster,like the inside of some seashells. Third,look for how the mineral breaks apart.Some minerals come apart into thin,flat sheets.Others come into small cubes.Still others break up into pieces with different shapes. Finally,look for hardness.(4)
.Some minerals are soft,so you can cut them with your hand.Others can be cut with a coin.Still others can be cut with a penknife.
A.Second,look for luster,or shininess B.What can we do to discover a mineral C.You can discover a mineral by looking at its size D.You can test a mineral for hardness by trying to cut it E.But color is not always the best way to discover a mineral
78.Dear Scott, Thank you for your letter.I am glad to know that everything is going well with you.Thanks also for the photos.Tina looks healthy and tall. It's very hot here now,but sometimes it rains.We love the rain very much.We are enjoying our stay(逗留) here.I am now studying in a big school.There are more teachers and students in this school than in my school in England.My teachers and classmates are all very friendly to me. Time goes so quickly.I am having new experience(經(jīng)驗) all the time.It is difficult to learn Chinese,but I am making progress(進步) with the help of my teachers and classmates. The summer holiday is coming.Here in Xi'an we usually have the summer holiday about two months,so I'll be free for about sixty days.l hope you and Tina could come to Xi'an for a visit.Then I can show you around Xi'an in China. Best wishes to you and Tina. Yours, Henry根據(jù)短文內(nèi)容,完成下列小題. 89.Who is the letter to?