正确答案:
题目:“赤潮”是由氮磷引起的水体富营养化所致的。( )
解析:√
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举一反三的答案和解析:
[单选题]Waiter: Hello, sir. ?Customer: Could you give us a second, please?
Are you ready to order
解析:侍者和顾客对话,顾客说:“请等一会儿好吗?”选项A(您要点单吗?)符合交际语境。选项C不够礼貌,与交际双方身份不匹配;选项D与后面的回答不配套。
[单选题]视觉性语言中枢位于( )
优势半球顶叶角回
[单选题]生态学建立时期的主要研究内容是( )
个体及种群生态学
[单选题]People who suffer from astigmatism
have eyes that are not exactly the right shape
解析: 43.答案为B 此考题为细节题。根据第4段第1句Other people do not see clearly
because their eyes are not exactly the right shape.They have what is called
astigmatism,就可以断定B正确。
[单选题]通过四边孔的结构是 ( )
腋神经
[单选题]低血钾时静脉补充钾盐,下列选项错误的是 ( )
严重缺钾病人,可用10%氯化钾静脉推注