简述护患沟通的意义。
参考答案:[*]C:\Documents and Settings\Administrator\My Documents\图片\6.jpg
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
A.being carried out
B.carried out
C.carrying out
D.to carry out
当代海洋天然药物研究的范围主要包括()、低等无脊椎动物和海洋微生物三大种群。