【名词&注释】
长江三角洲(yangtze river delta)、风暴潮(storm surge)、单性结实(parthenocarpy)、海岸线(coastline)、海平面上升(sea level rise)
[单选题]下列哪组果实是核果( )。
A. 板栗、核桃
B. 大枣、杏、桃
C. 桃、苹果、柿子
查看答案&解析
举一反三：
[单选题]What did Mishap desire most in his childood?
A. A colorful life.
B. A beaunful house
C. Peace and freedom
D. Money for his family
[单选题]下列因素中，可能使长江三角洲滩涂遭受侵蚀与海岸线后退的是①上游输沙量降低 ②风暴潮频发 ③长江径流量加大 ④海平面上升(sea level rise)
A. ①②③
B. ②③④
C. ①②④
D. ①③④
[单选题]Thepassagetellsusthat______.
A. theshapeoffurnituremayaffectpeople'sfeelings
B. lowerceilingsmayhelpimprovestudents'creativity
C. childreninadimclassroommayimprovetheirgrades
D. studentsinroomswithunblockedviewsmayfeelrelaxed
[单选题]未受精也能形成种子的现象叫单性结实。( )
A. 正确
B. 错误
[单选题]CAmerican cities are similar to other cities around the world; In every country. Cities reflect the values of the culture. American cities are changing， just as American society is changing.
A. After Wolld Wa Ⅱ,the population of most large American cities decreased; bowever. The populaton In omthe Sun Belt cities increased. Los Angeles and Houston are eitit where populatfon shife（转移）to and from the oity reflect the changing values of Amorican society. In the late 1940s and early 1950s,city residents（居民）became wealthier. They had more children so they needed more space, They moved out of their apartments in the city to buy their own homes. They bought houses in the suburbs（郊区）.
B. Now things are changing. The children of the people who left the cities in the 1950s are now adults. Many, unlike their parents, want to live in the cities. They continue to move to Sun Belt cities and older ones of the Northeast and Midwest. Many young professionals are moving back into city. They prefer the city to the burbs because their jobs are there; or they jus enjoy the excitement and possibii that the city offers.
C. his people shift is bringing problems as well as benefits. Countless poot people must leave their apartments in the city because the owners want to sell the buildings or make apartments for sale instead of for rent. In the 1950s, many poor people did not have enough money to move to the suburbs; now many of these same people do not have enough money to stay in the cities.
D. Only a few years ago, people though that the older American cities were dying. Some city residents now see a bright, new fiture, Others see only problems and comfiels the thing is sure many dying cities are alive again.
E. 64. What does the author think of cities all over the world?
F. They are alive.
G. They are hopeless.
H. They are similar.
I. They are different.
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