正确答案: B
6.0~7.0
题目:土壤养分有效性最好、最有利于作物生长的土壤pH范围是( )
解析:B
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举一反三的答案和解析:
[单选题]Passage FiveMost famous people have some unusual story associated with their names. Casanova, for example, was a legend in his own time. He was the epitome of the gallant adventurer and lover. However, he spent thirteen years of his life as a librarian!
personalities
解析:52.这篇文章是有关不同领域的名人。选项 B是正确的。其他选项是其中的一部分,不全面。
[单选题]下列关于内脏器官的叙述,正确的是( )
以上都不正确
[单选题]血浆胶体渗透压主要由下列哪种物质形成的( )
白蛋白
[单选题]I learned to ______a bicycle as a small boy.
ride
解析: 15.答案为D to ride a bicycle“骑自行车”。
[单选题]The foreigners once ______their products to our company at a ______higher price.
sold, much
解析:12.答案为C 参考译文:这些外国人曾经以非常高的价格卖给我们公司他们的产品。第一个空是区分动词的词义题。第二个空是要选用程度副词修饰形容词的比较级。
[单选题]由感觉神经元中枢突组成的是( )
脊神经后根