甲地区是世界上著名的棉花产区，其形成的主导因素是

【名词&注释】

病虫害(diseases and insect pests)、生长习性(growth habit)、中亚地区(central asia)、尼罗河三角洲(nile delta)、干旱、半干旱、美国西南部、西南部地区

[单选题]甲地区是世界上著名的棉花产区，其形成的主导因素是

A. 光照 B热量
B. 水源 D土壤

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学习资料：

[单选题]The church tower which_________ will be open to tourists soon. The work is almost finished.

A. has restored
B. has been restored
C. is restoring
D. is being restored

[单选题]The author thinks that with full government funding

A. teachers are less satisfied
B. students are more demanding
C. students will become more competent
D. teachers will spend less time on teaching

[单选题]Jim went to answer the phone . , Harry started to prepare lunch.

A. However
B. Nevertheless
C. Besides
D. meanwhile

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