题目内容
17．| child watch key noise sing |
72．Look!Manychildren are playing on the playground now．
73．I lovewatchingTV in the evening．
74．I have twokeys to the door．So I can let you have one．
75．My father doesn't like the song because it's toonoisy．
分析 71．听！一个女孩在大厅里唱歌．
72．看！很多孩子在操场上玩．
73．我喜欢在晚上看电视．
74．我有那扇门上的两把钥匙，所以我可以给你一把．
75．我爸爸不喜欢那首歌，因为那首歌太吵了．
解答 71．答案：singing 根据语境结合Listen!推断句意是"听！一个女孩在大厅里唱歌．"，由句意结合There is a girl判断设空处填动词的现在分词，故答案是：singing
72．答案：children 根据语境结合are playing on the playground 推断句意是"看！很多孩子在操场上玩．"，由前面的many判断设空处填名词复数形式，故答案是：children
73．答案：watching 根据语境结合TV in the evening．推断句意是"我喜欢在晚上看电视．"，由前面的动词love判断设空处填动词的ing形式，故答案是：watching
74．答案：keys 根据语境结合So I can let you have one推断句意是"我有那扇门上的两把钥匙，所以我可以给你一把．"，由前面的two判断设空处填名词复数，故答案是：keys
75．答案：noisy根据语境结合My father doesn't like the song 推断句意是"我爸爸不喜欢那首歌，因为那首歌太吵了．"，由前面的it's判断设空处填形容词"吵闹的"，故答案是：noisy
点评 要做好此类题型，要具备一定的词法、句法和惯用法等语法知识，紧紧抓住语境所提供的信息，然后明确词意，词型，词的搭配，并注意合乎逻辑．然后逐一写出答案．
练习册系列答案
字词句篇与同步作文达标系列答案
相关题目
5．My brother ____ three volleyballs and they____ under the bed．（ ）
| A． | have； are | B． | has； is | C． | has； has | D． | has； are |
4．Twentieth Century Inventions
●●●1903-The first flight succeeded．
In 1900，Wilbur Wright said flight was possible for man．After much work he and his brother Orville Wright made this dream come true．
On December 17，1903，the brothers made the first successful airplane flight on a windy beach at Kitty Hawk，North Carolina．The brothers'plane flew 120feet．Although the flight lasted only 12seconds，it moved the course of history in a new direction．
●●●1935-Nylon was invented．
In 1928，a new chemical lab was opened to make a kind of man-made materials．Wallace Carothers took part in the team when he was 32years old．
In 1934，he made fibers （纤维），but the fibers were quite weak．He didn't give up．After many experiments，he produced the long and strong fibers in 1935．They named the fibers"nylon"．Carothers was very satisfied with his work．
Nylon hit the markets in 1939，and quickly became a replacement of silk．But it was a pity that he didn't see the wide use of his invention．He died in April，1937．
●●●1968-The computer mouse was first shown in public．
As a graduate student，Douglas Engelbart began to imagine ways in which all sorts of information could be on screens．
In 1964，Douglas Engelbart made the first computer mouse．The computer mouse had a wooden shell with two metal wheels．
In 1968，the first computer mouse appeared in public．It was named"mouse"because a tail came out at the end．In later years，the computer mouse became more and more important．
Douglas Engelbart changed the way that computers worked．
Now computer mice are becoming increasingly useful．And there are many different shapes of computer mice in the world．
根据文章内容，完成下列表格．
●●●1903-The first flight succeeded．
In 1900，Wilbur Wright said flight was possible for man．After much work he and his brother Orville Wright made this dream come true．
On December 17，1903，the brothers made the first successful airplane flight on a windy beach at Kitty Hawk，North Carolina．The brothers'plane flew 120feet．Although the flight lasted only 12seconds，it moved the course of history in a new direction．
●●●1935-Nylon was invented．
In 1928，a new chemical lab was opened to make a kind of man-made materials．Wallace Carothers took part in the team when he was 32years old．
In 1934，he made fibers （纤维），but the fibers were quite weak．He didn't give up．After many experiments，he produced the long and strong fibers in 1935．They named the fibers"nylon"．Carothers was very satisfied with his work．
Nylon hit the markets in 1939，and quickly became a replacement of silk．But it was a pity that he didn't see the wide use of his invention．He died in April，1937．
●●●1968-The computer mouse was first shown in public．
As a graduate student，Douglas Engelbart began to imagine ways in which all sorts of information could be on screens．
In 1964，Douglas Engelbart made the first computer mouse．The computer mouse had a wooden shell with two metal wheels．
In 1968，the first computer mouse appeared in public．It was named"mouse"because a tail came out at the end．In later years，the computer mouse became more and more important．
Douglas Engelbart changed the way that computers worked．
Now computer mice are becoming increasingly useful．And there are many different shapes of computer mice in the world．
根据文章内容，完成下列表格．
| 56．Inventor | Invention | Time | Influence |
| Wilbur Wright and his brother | airplane | 1903 | 57．The airplane moved the course of history in a new direction |
| Wallace Carothers | nylon | 1935 | 58．Nylon became a replacement of silk |
| Douglas Engelbart | 59．the computer mouse | 1964 | 60．The computer mouse changed the way that computer worked |