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　　人教新课标英语选修7 Unit3同步精练及参考答案
　　Unit Three  Under the sea
　　I. 语法填空 
　　The American Academy of Pediatrics(美国儿科协会)   1   (say) what children really need
　　for health development is more good, old-fashioned playtime.
　　Many parents load their     2     (child) schedules with get-smart videos, enrichment activities and lots of classes in a drive to help    3   do better. The efforts often begin as early as babyhood. Free play is ignored in the process, a new academy report says.
　　Many studies have shown that free play is very     4     (benefit). “It can help children become creative, develop problem-solving skills, relate to（和…和睦相处）others and adjust to school settings,”   5   academy report says.
　　“Perhaps above all, play is something    6   is a cherished part of childhood,” says another report,    7    (prepare) by two academy committees for release (发布) on Monday     8  the group's annual meeting in Atlanta.
　　It adds that enrichment tools and organized activities can be helpful,    9    should not    10     (view) as a requirement for creating successful children. They must be balanced with plenty of free playtime.
　　1.____________ 2.____________ 3.___________ 4.___________ 5.___________
　　6.____________ 7.____________ 8.___________ 9.___________ 10___________
　　II. 用所给词的词组适当形式填空
　　1. Your computer won't be arriving till Thursday.              （meantime）, you can use mine.
　　2. He is so kind that he is always willing to           (help).
　　3. The children              (aware) the danger of tags.
　　4. The boat floated             (upside) on the lake.
　　5. I            （scare） at the thought of making a speech in front of thousands of people.
　　6. India and Nepal have         (sort) their trade and security dispute.
　　7. “I           (terrify) driving at this time of the evening," she said.
　　8. The roof is          (hold) by massive stone pillars.
　　9. His shabby clothes are          (witness) his poverty.
　　10. The child          (yell) in pain.
　　III、完形填空
　　On a trip to California，my family stopped for lunch.As we walked toward the entrance to the restaurant，a man，with a__1__beard and dirty hair，jumped up from a bench outside the restaurant and opened the door for us.Regardless of his__2__，he greeted us in a friendly way.
　　Once inside，my daughters whispered，“Mom，he __3__.”After we ordered our lunch，I explained，telling the kids to look__4__the dirt.We then watched other customers approach the restaurant but many__5__him.Seeing this rudeness truly upset me.The day I became a mother，I had determined to set a good__6__to my children.Yet sometimes when things didn’t go right，being a good example was __7__.When our meal arrived，I realized I had left the car-sick pills in the truck.With the windiest trip ahead，the kids needed them，so I__8__myself from the meal and went to get them.
　　Just then，the “doorman” was opening the door for a couple.They rushed past him without even acknowledging his__9__.Letting them in first，I said a loud “than” to him as I__10__.
　　When I returned，we talked a bit.He said he was not allowed inside__11__he purchased food.I went back and told my family his__12__.Then I asr waitress to add one soup and sandwich.The kids looked__13__as we had already eaten，but when I said the order was for the “doorman”，they smiled.When it was time to__14__  our trip，I found the “doorman” enjoying his meal.Upon seeing me，he stood up and thanked me heartily.He then__15__ out his hand for a handshake and I gratefully accepted.I suddenly__16__the tears in his eyes—tears of gratitude (感激)．What happened next drew great astonishment：I gave the “doorman” a__17__.He pulled away，with tears__18__down his face.
　　Bacck，I fell into deep thought.While we can’t choose many things in life，we can choose when to show gratitude.I said thanks to a man who had__19__held open a door for me，and also said thanks for that __20__ to teach my children by e