题目
A.An increase in technology.
B.The growing complexity of the child's psychological needs.
C.A decrease in the child's intellectual capacities.
D.The growing number of single parent families.
第1题
Which of the following is a possible cause of the colony-collapse disorder?
A.Population explosion.
B.Decreasing number of flowers around
C.Genetically modified products.
D.Diseases and chemicals.
第2题
Which of the following is a possible cause of the colony-collapse disorder?
A.Population explosion.
B.Decreasing number of flowers around.
C.Genetically modified products.
D.Diseases and chemicals.
第3题
Which of the following is a possible cause of the colony-collapse disorder?
A.Population explosion.
B.Decreasing number of flowers around.
C.Genetically modified products.
D.Diseases and chemicals.
第4题
Which of the following is NOT mentioned as a possible cause of lung diseases?
A.The burning of coal
B.Long-term exposure to smog
C.Exposure to nitrogen dioxide
D.Attending school camps
第5题
Which of the following is NOT mentioned as a possible cause of lung diseases?
A.The burning of coal
B.Long-term exposure to smog
C.Exposure to nitrogen dioxide
D.Attending school camps
第6题
Which of the following is not mentioned as a possible cause of a trade imbalance?
A.Low labor and material costs in Asian countries.
B.A lack of natural resources.
C.An underdeveloped industrial base.
D.The high cost of exported items.
第7题
Which of the following is NOT mentioned as a possible cause of lung diseases?
A.The burning of coal
B.Long-term exposure to smog
C.Exposure to nitrogen dioxide
D.Attending school camps
第8题
Which of the following is NOT mentioned as a possible cause of lung diseases?
A.The burning of coal
B.Long-term exposure to smog
C.Exposure to nitrogen dioxide
D.Attending school camps
第9题
Which of the following is not mentioned as a possible cause of a trade imbalance?
A.Low labor and material costs in Asian countries.
B.A lack of natural resources.
C.An underdeveloped industrial base.
D.The high cost of exported items.
第10题
Which of the following is NOT mentioned as a possible cause of lung diseases?
A.The burning of coal
B.Long-term exposure to smog
C.Exposure to nitrogen dioxide
D.Attending school camps
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