树木按其需水多少可分为旱生植物、（）、湿生植物三类。

Here is my idea about how a friend is like. Firstly, 61.______a friend is someone you can share your secrets. If you 62.______tell him a secret, never will he talks about it with anybody 63.______else. Besides, a friend is always good listener when you 64.______need one. After hear your sad stories, he will say some 65.______words that is nice and warm. Still, your happiness makes 66.______him happily, too. What’s more, a good friend is willing to 67.______offer the help to which you need, or can at least give you 68.______some advices. In a word, friends are those you like and 69.______trust, and you will enjoy every minute that you spent with 70.______them.

62().

When I hear of the bad news, I can’t ______.

A．help crying

B．help to cry

C．wait crying

D．wait to cry

预防房颤患者发生栓塞并发症应首选的药物是（）

A.阿司匹林

B.华法林

C.胺碘酮

D.低分子肝素

E.洋地黄

胸外心脏挤压是挤压是挤压凹膛下方部位，压陷深度为（）厘米。

A、1-2

B、2-3

C、3-4

D、4-5

随机原则一般是由储存人员按习惯来确定储存位置，而且通常按货品所属供应商的不同储存于靠近出入口的货位。( )