24.Many young people use computers,but few of them know how to look after them.Remember the following tips(小貼士) when you use your computer. ?Keep your computer in a cool,dry room.(1)
Moisture (潮濕) is also bad for them.Most computers work best at a temperature of 5℃-30℃. ?(2)
Smoke of all kinds is very bad for many parts of a computer and can cause many problems. ?(3)
Pieces of food and even a little water in the keyboard can also cause many problems. ?Make sure that the keyboard and screen (屏幕) are the correct height (高度) for you.(4)
?Make sure the screen is the correct distance (距離) from your eyes.If you wear glasses,make sure these glasses are correct for using the computer.(5)
?Keep your screen clean and don't make it too bright.A dirty screen can hurt your eyes.A very bright screen can also be bad for your eyes.
將下列句子的序號填在橫線上,使短文完整. A.Some people use a different pair of glasses when they use a computer. B.Too much or too little heat (熱量) is bad for computers. C.Don't eat or drink when you are near your computer. D.If they are not the correct height,you will get a backache. E.Don't let people smoke near your computer.
25.A good place to buy a pumpkin(南瓜) for cooking is a fruit market,farmers' market or roadside stand(貨攤) The big pumpkins are not good for cooking.If you can find a small,flat orange pumpkin,it will be sweeter.It will be the best pumpkin for eating.Do you know how to cook a pumpkin? First,wash off all of the dirt,and then put your pumpkin on a cutting board.You need to use a large,sharp knife to safely cut the pumpkin in half.Scoop out all of seeds and put them aside to toast later. Cut your pumpkin into chunks(大塊) and decide if you want to bake them or steam (蒸)them. ★ To bake:Put the pumpkin chunks on a baking tray and bake at 325 degrees until the pulp is soft.It takes you about an hour.Remove the pulp from the tray.In that way,you finish the baking process. ★ To steam:Peel the chunks,then simmer(煨)them in a covered pot with about 1/2 cup of water for 25 minutes until tender(柔軟的) 閱讀短文,判斷正(√)誤(×)。 (1)Scoop out all of seeds and throw them into the pot.
(2)Baking pumpkin chunks usually takes you about an hour.
(3)Small,flat orange pumpkins are good for cooking.
(4)Pumpkins can only be steamed instead of being baked.