题目内容

随着年龄的增长，钙与磷的摄入比例应相对增加。( )

A. 对
B. 错

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A．弹性动脉 B．肌性动脉 C．心内膜向心内突起 D．内弹性膜 E．内膜增厚

A. 分泌盐酸

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酸奶可防止腐败菌分解蛋白质，产生毒物堆积，具有防治肿瘤的作用。( )

A. 对
B. 错

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土壤、水域、空气、岩石均可使食品受到放射性污染。( )

A. 对
B. 错

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Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the study, what is the way the babies react to different people

A. They seem to be more comfortable around other babies than with strange adults.
B. They seem to be more nervous around other babies than with strange adults.
C. They seem to be as comfortable around other babies as with strange adults.
D. They have no special interest.

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随着年龄的增长，钙与磷的摄入比例应相对增加。( )

A. 对 B. 错

A．弹性动脉 B．肌性动脉 C．心内膜向心内突起 D．内弹性膜 E．内膜增厚

酸奶可防止腐败菌分解蛋白质，产生毒物堆积，具有防治肿瘤的作用。( )

土壤、水域、空气、岩石均可使食品受到放射性污染。( )

Questions 14 to 16 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions. Now listen to the passage. According to the study, what is the way the babies react to different people

A. 对
B. 错