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问题 改错题

选出错误的选项，并在横线上改正。（有两处）

Can you sister takes a picture?

  A　 B 　　　  C 　　D

1. ( )  __________________

2. ( )  __________________

答案

1. B-your  2. C-take

填空题
用方框中所给单词的适当形式填空，使短文通顺、正确、连贯(每个单词限用一次)。
like   before   open   big   you   instead   watch   too   be   tooth
                                                 Hot Tips for a Good Night's Sleep
      If you're tired, you'd better not stay up late. Sleep is lovely-enjoy it! Have a fixed bedtime It makes
1______ feel calm if everything is in order before you sleep. So brush your 2______, wash your face, 3______
the window and go to bed. Your mind will take in all the cue (提示) that it's time to go to the land of dreams
and you'll be sleeping 4______ a baby in no time. 
Go to bed when you're tired!
     If you're feeling really tired, go to bed. Don't stay up to 5______ a late show, don't try to do a bit more
work, and don't plan to stay at your friend's place 6______ late. Go to bed. Say yes to milk If you want a
bedtime snack, have something calming and sleepy. A glass of warm milk will help to sleep better. And try
not to eat a 7______ meal too close to bedtime, which keeps you awake. 
Turn off the TV
      TV programs make you excited. Don't watch anything for an hour 8______ you go to bed. Listen to
some relaxing music 9______! It will send you to sleep in no time at all. All the tips above 10______ for a
good night's sleep. Your body's going to thank you very much for it.
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问答题

对某设备的主要零部件检查了7批，将每批检查的情况汇总成表，如表2-5所示。
表2-5 检查情况汇总表

批号检查数不合格品数不合格原因
操作设备工具工艺材料其他
1457316760300
29450883681614014
34895712511214010
4507612930000
55012171311110
6490823965102
74839196013000
【问题】 试绘制排列图，并找出造成质量不合格的主要原因。
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