试题与答案

母乳中的成分较易为婴儿吸收,下列提法错误的是() A.母乳缓冲力小,对胃酸中和作用弱

题型:单项选择题

题目:

母乳中的成分较易为婴儿吸收,下列提法错误的是()

A.母乳缓冲力小,对胃酸中和作用弱,有助于营养素的消化吸收

B.母乳含铁量与牛奶相同,但吸收率低,易发生缺铁性贫血

C.母乳含酪蛋白少,清蛋白多,胃内凝块较细,易消化

D.母乳中钙、磷含量比牛奶低,但比例适宜(2:1),利于钙的吸收

E.母乳含不饱和脂肪酸较多,易消化吸收

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错

试题推荐
题型:阅读理解

Do you play a musical instrument? If so, you may be getting smarter. A recent study shows that taking music lessons can raise a person’s IQ.

Scientists studied 132 children in Canadian schools. At the beginning of the school year, these children took an IQ test. Then they were divided into four groups. One group took singing lessons. Another group took weekly piano lessons. The third group took classes in drams(戏剧). And the last group did no special activities at all.

At the end of the school year, the 132 children took an IQ test again. In all four groups, the average score went up. However, the piano players’IQs went up 7.0 points on average. The average increase for the other three groups was only 4.3 points.

The researchers say that the difference is small and it may not result in better grades for the piano players. However, they still consider the results important. Learning an instrument helps kids becomes better at concentrating and at memorizing things. Therefore, the researchers say, it may be good for brain development in young people.

If you have a chance to learn to play a musical instrument, never miss it. Remember it can make you smarter.

小题1: Which of the following is NOT true of the study?

A.It was done in Canada.

B.It was done by some musicians.

C.It included four groups of children.

D.It took one school year to complete.小题2: Which of the following is true?

A.Average IQ scores increased in all the groups.

B.Only the piano players’ IQs increased.

C.The average increase for all four groups was 4.3 points.

D.Most of the children’s IQs did not go up.小题3: The underlined word “they” in the passage refers to ______.

A. better grades

B.piano players

C.researchers

D.instruments小题4: What’s the main idea of the passage?

A.It’s good for us to listen to music.

B.Everyone should learn to play the piano.

C.Take an IQ test before you learn instruments.

D.Learning instruments may make kids smarter.

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