题目
The population problem may be the 1 one of the world today．The world's population is growing 2 . Two thousand years ago, there were only 250 million people 3 the earth. Four hundred years ago, the number was 4 500 million. But at the beginning of the 5 century, the world's population was about 1, 700 million．In 1970, this number was 3,600 million．In 1990, the number was five billion．A 6 report says that the world population will 7 six billion by the end of the 20th century. This is just ten 8 after it 9 five billion. People say that by the year 2010, 10 may be seven billion．( )1.A. greatB. greaterC. greatestD. greating( )2.A. faster and fasterB. fast and fastC. fastest and fastestD. faster and fast( )3.A. inB. onC. atD. for( )4.A. nearlyB. moreC. almostD. over( )5.A. twentyB. twelveC. twentiethD. twelfth( )6.A. USAB. UNC. PRCD. PLA( )7.A. pastB. passC. passedD. passes( )8.A. weeksB. monthsC. seasonsD. years( )9.A. getB. getsC. reachedD. reach( )10.A. thisB. itsC. oneD. it
The population problem may be the
1 one of the world today．The world's population is growing
2 . Two thousand years ago, there were only 250 million people
3 the earth. Four hundred years ago, the number was
4 500 million. But at the beginning of the
5 century, the world's population was about 1, 700 million．In 1970, this number was 3,600 million．In 1990, the number was five billion．A
6 report says that the world population will
7 six billion by the end of the 20th century. This is just ten
8 after it
9 five billion. People say that by the year 2010,
10 may be seven billion．
( )1.
A. great
B. greater
C. greatest
D. greating
( )2.
A. faster and faster
B. fast and fast
C. fastest and fastest
D. faster and fast
( )3.
A. in
B. on
C. at
D. for
( )4.
A. nearly
B. more
C. almost
D. over
( )5.
A. twenty
B. twelve
C. twentieth
D. twelfth
( )6.
A. USA
B. UN
C. PRC
D. PLA
( )7.
A. past
B. pass
C. passed
D. passes
( )8.
A. weeks
B. months
C. seasons
D. years
( )9.
A. get
B. gets
C. reached
D. reach
( )10.
A. this
B. its
C. one
D. it
题目解答
答案
1. C
2. A
3. B
4. D
5. C
6. B
7. B
8. D
9. C
10. D
解析
步骤 1：理解问题
问题要求我们选择正确的单词或短语来填空，以使句子通顺并符合逻辑。我们需要根据上下文和语法知识来选择合适的选项。
步骤 2：分析每个空格
1. 选择形容词的最高级形式，因为句子中使用了“the”和“of the world today”，表示“最大的”。
2. 选择副词的比较级形式，表示“越来越快”。
3. 选择介词，表示“在地球上”。
4. 选择副词，表示“超过”。
5. 选择序数词，表示“二十世纪”。
6. 选择缩写，表示“联合国”。
7. 选择动词的原形，因为句子中使用了“will”。
8. 选择名词，表示“年”。
9. 选择动词的过去式，因为句子中使用了“by the end of the 20th century”。
10. 选择代词，表示“人口”。
步骤 3：选择正确答案
根据上述分析，选择正确的选项来填空。
问题要求我们选择正确的单词或短语来填空，以使句子通顺并符合逻辑。我们需要根据上下文和语法知识来选择合适的选项。
步骤 2：分析每个空格
1. 选择形容词的最高级形式，因为句子中使用了“the”和“of the world today”，表示“最大的”。
2. 选择副词的比较级形式，表示“越来越快”。
3. 选择介词，表示“在地球上”。
4. 选择副词，表示“超过”。
5. 选择序数词，表示“二十世纪”。
6. 选择缩写，表示“联合国”。
7. 选择动词的原形，因为句子中使用了“will”。
8. 选择名词，表示“年”。
9. 选择动词的过去式，因为句子中使用了“by the end of the 20th century”。
10. 选择代词，表示“人口”。
步骤 3：选择正确答案
根据上述分析，选择正确的选项来填空。