甲状旁腺()
A.通常为1对扁椭圆形小体
B.贴附于甲状腺侧叶后面
C.约黄豆大小、呈淡红色
D.幼儿时期体积较小
E.功能亢进时常引起血钙下降
参考答案:B
---I think everyone needs the sun.
---Yes, it can __ light and heat itself.
A.give up
B.give in
C.give out
D.give to
The noise of the traffic()Paul from his work.
A.prevented
B.distracted
C.angered
D.upset