小儿易发生体液平衡紊乱的最主要原因是()
A.体液调节功能不完善
B.神经系统发育不完善
C.间质液比例较高
D.体液占体重大
E.肾浓缩、稀释功能差
参考答案:C
根据句意及首字母提示完成下列句子.
1. P_____only live in China. And k_____only live in Australia.
2. It's very cold in the South Pole, but p_____live there
3. The g_____has a long neck (脖子). It eats l_____on the tree.
4. The elephant is from S_____Africa.
5. There are many k_____of animals in the zoo.
在CAD中栅格设置中可以设置()
A.栅格X轴间距
B.栅格Y轴间距
C.捕捉X轴间距
D.捕捉Y轴间距