简述传统和现代人力资本理论。

如图所示，一水平放置的半径为r=0.5m的薄圆盘绕过圆心O点的竖直轴转动，圆盘边缘有一质量m=1.0kg的小滑块（可看成是质点）．当圆盘转动的角速度达到某一数值时，滑块从圆盘边缘滑落，滑块与圆盘间的动摩擦因数μ=0.2，圆盘所水平面离水平地面的高度h=2.5m，g取10m/s²．

（1）当圆盘的角速度多大时，滑块从圆盘上滑落？

（2）若取圆盘所在平面为零势能面，求滑块到达地面时的机械能；

（3）若落地点为C，求OC之间的距离．

侧蚀严重时会造成电路（）。当铜箔厚度相同时，可用侧蚀宽度来比较侧蚀的大小，衡量蚀刻质量的优劣，侧蚀宽度（），蚀刻质量越差。

患者，男性，83岁。在医院排队时突发意识丧失倒地，随后四肢抽搐，面色发绀，医务人员发现检查后，立即予胸外心脏按压，人工呼吸，并启动医疗急救系统，3分钟后取得除颤仪，监护示心室颤动，予360J单相电除颤，继续胸外心脏按压，恢复窦性心律，转至急诊室，瞳孔散大，昏迷，并予低温脑保护、甘露醇脱水，6小时后患者神志转清。针对此患者的一系列急救过程，称之为（）

A.心肺复苏

B.心肺脑复苏

C.液体复苏

D.脑复苏

E.心脑复苏

Vicki Larrieux, a 22-year-old student from Portsmouth, says she is unable to keep a healthy diet because she is frightened of vegetables. She survives on a diet of meat, potatoes, cereals（谷类食品）and apples but refuses even a single slice of carrot on her plate. She suffers from sweating and panics at the slightest sight of a carrot or a pea.

“I have always had a fear of vegetables. Even as a child I used to freak out if some carrots or a few peas were on my plate.” She said. “But as it continued into adult life, I started to think it might not just be a dislike for vegetables but an actual phobia（恐惧症）. Every time I see vegetables, not just on my plate, but anywhere, I would get feelings of panic and my heart would beat faster.”

Miss Larrieux’s condition makes trips to the supermarket or eating out at a restaurant with her boyfriend a major problem. It is an unpleasant experience for her to go to the supermarket. Luckily, her boyfriend is very understanding and does his best to comfort her.

A spokesman for phobia charity Anxiety UK says that around 13 percent of British people suffer a phobia of some form, there are treatment available（有效的）including medication and self-help groups for all manner of phobias.

1. Larrieux eats the following as a daily diet EXCEPT______.

A. meat        B. potatoes        C. peas       D. cereals

2. The underlined part “freak out” in Paragraph 2 means “_________”.

A. feel scared       B. get interested

C. feel relaxed      D. get sad

3. According to the passage, Larrieux’s fear for vegetables _____.

A. was found out recently            B. is a kind of phobia

C. makes her famous                   D. makes her hard to get along with

4. What do we know from the passage?

A. Only a few people around the world suffer from phobias

B. Larrieux is not confident about her future

C. Larrieux’s boyfriend doesn’t like meat

D. Phobia can be treated.

培育草莓脱毒苗所采用的主要技术是( )。

A．组织培养
B．细胞杂交
C．显微注射
D．核移植