问题
单项选择题 A1型题
为促进钙的吸收，婴儿摄取钙时应加服（）
A.维生素A
B.维生素D
C.维生素E
D.维生素B1
E.维生素B6
答案
参考答案：B
解析：维生素D可促进钙的吸收。
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为促进钙的吸收，婴儿摄取钙时应加服（）
A.维生素A
B.维生素D
C.维生素E
D.维生素B1
E.维生素B6
参考答案：B
解析：维生素D可促进钙的吸收。
| 阅读下面短文，把A-D四个句子填入文中空缺处，使短文完整、正确，然后完成第5小题。 | |
| A recent report from Dazhou Daily says about 18% of Dazhou teenagers can have problems with their minds (内心, 精神). 1______ Others have trouble getting on well with people like their parents and classmates. Zhang Qiang, a Junior 2 student from Dazhou, could not understand his teachers in class and was doing badly in his lessons. He was afraid of exams. 2______. Another student, a 15-year-old girl called Wu Yan from Guang'an often argued with her classmates even her parents 3______. She became so annoyed about them that she started to cut her finger with a knife. However, many students who have problems won't go for advice or help. Some think they will look stupid (愚蠢的) if they go to see a doctor. Others don't want to talk about their secrets. 4______, here is some advice: ●Talk to your parents or teachers often. ●Take part in group activities and play sports. ●Go to see a doctor if you feel unhappy or unwell.
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| 5. From the passage we know teenagers have problems with their minds because of ______. | |
| A. their study B. getting on with other people C. their hobbies D. A and B |