混凝土的徐变是指（）。A、在冲击荷载作用下产生的塑性变形 B、在振动荷载作用下产生的

蛋白质生物价的计算公式是（）

A.生物价＝吸收氮×100%

B.生物价＝食物氮-（粪氮-粪代谢氮）

C.生物价＝吸收氮-（尿氮-尿内源性氮）

D.生物价＝食物氮-尿氮-粪氮

E.生物价＝储留氮÷吸收氮×100

小题1: What was the s  ▲   of the car at the time of the accident?

小题2:He was sitting a  ▲   a group of children, telling them a story.

小题3:The room is very dark. I can't see anything c  ▲   without a light.

小题4:Kindness is the language that even the b  ▲  can see and the deaf can hear.

小题5:Even children can understand the story because it's written in very s  ▲  English.

小题6: This dictionary    ▲  （包括）almost all the English verbs.

小题7:Cleaning the car is one of my least favorite    ▲  （工作）.

小题8:Ann is    ▲  （安排)a surprise party for Russell's birthday.

小题9:The best    ▲  （治疗）for a cold is to rest and drink lots of water.

小题10:I    ▲  （借给）my penknife to someone, but I can't remember who it was now.

以下哪类视网膜脱离不是巩膜扣带术的适应证（）

A.较新鲜

B.裂孔分布集中，不超过2个象限

C.无明显玻璃体浓缩、牵引

D.无视网膜固定皱折

E.PVR在C2级以上

业务监控保障的来源：1、（）2、（）3、（）。

理性认识的特点是( )。

A．对感性认识的综合

B．与客观事物无关的人的自由创造物

C．通过感觉器官对客观事物的直接定义

D．借助于抽象思维达到对事物本质的把握