问题
单项选择题 A型题
一般情况下,青少年在下面哪个年龄段人体总钙量增加最多()
A.7~8岁
B.11~12岁
C.15~16岁
D.18岁
E.9~10岁
答案
参考答案:B
解析:青少年在11~12岁时人体总钙量增加最多。
一般情况下,青少年在下面哪个年龄段人体总钙量增加最多()
A.7~8岁
B.11~12岁
C.15~16岁
D.18岁
E.9~10岁
参考答案:B
解析:青少年在11~12岁时人体总钙量增加最多。
用方框中所给词的适当形式填空。 | |
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1. I want to go somewhere _______because I can't stand noise and heavy traffic. 2. I love music that can make me_______. 3. Watching TV can be very _______. We can learn a lot from television. 4. Tom doesn't like math because he thinks it's_______. 5. It's a piece of _______news that the Asian Games will be held in Guangzhou in 2010. |