18. 当你离开教室的时候，请确保关上灯。
Please to turn off the lights when you leave the classroom.
同步练习强化拓展系列答案科目：初中英语 来源： 题型：
.用somebody (someone) ， anybody (anyone) ， nobody (no one)填空c
4. Did tell you where we would start out?
5. is standing outside the gate for nearly two hours,but knows what he did it for.
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科目：初中英语 来源： 题型：
( ) 13. —How often do I need to feed the bird?
―They food every day， or they will be hungry.
A. must give B. mustn't give
C. must be given D. mustn't be give
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科目：初中英语 来源： 题型：
( ) 3. The bread that was thrown away just now had a taste.
A. salty B. sour
C. sweet D. crispy
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科目：初中英语 来源： 题型：
( ) 10. Now the basketball sports is enjoyed many people fun and
exercise.
A. by;for B. with;for
C. to;with D. for;by
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科目：初中英语 来源： 题型：
Let's look at two old but popular inventions we use in our daily life.
Band-Aids (创可贴）
The first Band-Aid was made by American Earle Dickson in 1921. The idea came to him by chance. Dickson's wife Josephine often cut her fingers in the kitchen. At that time gauze(纱布)and adhesive tape (胶带)didn't come together. People had to cut them to the right size. Dickson found they were always too big and soon fell off. So he put a piece of gauze on the cen?tre of a piece of tape. This is how he made the first Band-Aid. Later Dickson's new inventions became very pop?ular all around the world.
Bubble gum(泡泡糖）
Bubble gum was invented by accident. In 1928, American gum company worker Walter E. Diemer played around with new chewing gum recipes. Chewing gum had already been invented more than half a century before then. But Diemer found that the gum he made was easy to blow. He blew a bubble and then
saw the possibilities. He took some of his new gum to a shop and it sold out in a single afternoon. Since then, Dubble Bubble―the first brand of bubble gum― has made kids happy all around the world.
( ) 36. Josephine often in the kitchen.
A. hurt her fingers
B. made bubble gum
C. played with new recipes
D. cut gauze to the right size
( ) 37. Before the Band-Aid was invented,
A. the gauze and adhesive tape were always small
B. people had to cover the cut with a piece of cloth
C. people had to be careful to cut the gauze quite big
D. people had to cut the gauze and adhesive tape to the right size
( ) 38. Bubble gum was invented by an
A. American doctor
B. American gum company worker
C. American housewife
D. American gum shopkeeper
( ) 39. Bubble gum was invented around years after chewing gum was invented.
A. 30 B. 50 C. 80 D. 100
( ) 40. Diemer's bubble gum sold out during
A. a day B. a morning
C. an afternoon D. two days
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