问题
单项选择题
学龄前儿童不宜用( )。
A．林可霉素类
B．四环素类
C．大环内酯类
D．青霉素类
E．头孢菌素类
答案
参考答案：B
解析：四环素和土霉素是抗生素类药，能治疗由许多种细菌引起的疾病，所以应用广泛。但学龄前儿童过多应用会使白牙“镶上”灰黄色“外衣”，故学龄前儿童不宜服用。
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学龄前儿童不宜用( )。
A．林可霉素类
B．四环素类
C．大环内酯类
D．青霉素类
E．头孢菌素类
参考答案：B
解析：四环素和土霉素是抗生素类药，能治疗由许多种细菌引起的疾病，所以应用广泛。但学龄前儿童过多应用会使白牙“镶上”灰黄色“外衣”，故学龄前儿童不宜服用。
B Kids Wall Art Large wall posters for kids. Your kids will love these cool posters by artist Darla Daly. Zebras boarding in the skateboard park, a group of jungle animals play in the playground and two giraffes take a drive in the city. Your kids will enjoy decorating their bedroom walls with these posters and their friends will think they are the coolest! Displaying 1 to 4 (of 4 products)
55. Of the four posters, which one is the cheapest? A. Alphabet Wall Art. B. Kids World Map. C. Skateboard Park. D. City Slickers. 56. Which poster has the biggest size? A. Alphabet Wall Art. B. Kids World Map. C. Skateboard Park. D. City Slickers. 57. Which of the following is true according to the passage? A. Kids can just learn some English letters on Alphabet Wall Art. B. City Slickers posters can be bought at 2:00 pm every day in a week. C. Kids can get some geography knowledge on Kids World Map. D. Kids can find two cool giraffes on Skateboard Park. 58. The underlined word “illustrated” in Poster II most probably means “ _________”in Chinese. A. 印刷 B. 装饰 C. 展示 D.图解 |