劳动力成本控制应注意哪些方面？

根据课文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

A greeting is a friendly expression or gesture used when meeting or welcoming someone. Greetings usually happen before a conversation and sometimes accompanied by some greeting behaviors such as a small kiss or a hug and handshake. Though the time to greet someone is short,      

 小题1:   . Just as the Chinese saying goes “A kind word could warm one for three winters, a bad attitude would make one cold even in hot summer.”

The following are some greetings in different countries.

1. America: Firm handshakes should last 3-5 seconds.  小题2:   . When greeting multiple people, make eye contact with the person whose hand you are taking, and then go on to the next. They are not used to standing too closely.

2. United Kingdom: A hand shake is the most common form of greeting for both men and women. When people are already familiar, verbal greetings are used. Personal space is important and people can feel uncomfortable if someone stands too close to them.    小题3:  .

3. Australia: A handshake is the preferred greeting. When speaking to an Australian, keep an arm’s length distance from the person.   小题4:   , and eye contact should be maintained as well.

4. Canada: A handshake is traditional. Men usually wait for women to offer theirs. Direct, but not too intense eye contact is acceptable, especially to convey sincerity. The standard distance between two people should be two feet.    小题5:  .

A．Touching is generally avoided

B．people still greet each other with a “hello”.

C．French Canadians, however, may stand slightly closer.

D．its influence is long and profound.E. When people already know each other well, they needn’t greet.

F. Good eye contact shows interest, sincerity and confidence.

G. Maintaining personal space is important in this culture

下列各项中，能够为应收账款的真实性提供可靠审计证据的审计取证方法是：

A．观察

B．函证

C．监盘

D．分析性复核

化学是一门以实验为基础的科学。下列有关实验现象的描述中正确的是 [ ]

A. 红磷在氧气中燃烧发出耀眼的白光，产生大量的白雾

B. 硫在空气中燃烧发出蓝紫色火焰，生成二氧化硫

C. 打开浓盐酸的试剂瓶盖，瓶口有白烟

D. 镁条中加入稀盐酸有大量气泡产生，试管外壁发烫

通常用在较大跨径的梁式桥梁上，一般采用悬臂浇筑法施工的是( )。

A．简支梁桥
B．等截面梁桥
C．钢梁桥
D．预应力混凝土连续钢构桥

患者，女，23岁，于妊娠13周行钳刮术，术中夹出黄色脂肪组织，该患者觉剧烈腹痛、恶心呕吐，脉搏110次/分，血压70/50mmHg，最可能的诊断为

A．子宫穿孔

B．异位妊娠

C．葡萄胎

D．出血过多

E．羊水栓塞