职业资格对于任职者来说具有绝对性，这种绝对性的表现为（）。A、下限值 B、上限值

In many English homes people eat four meals a day: breakfast, lunch, tea and dinner.People have breakfast at any time from seven to nine in the morning.They eat porridge，eggs or bread.English people drink tea or coffee at breakfast.Lunch comes at one o'clock.Afternoon tea is from four to five in the afternoon and dinner is about half past seven.First they have soups, and then they have meat or fish with vegetables.After that they eat some other things, like bananas，apples or oranges.But not all English people eat like that.Some of them have their dinner in the middle of the day.Their meals are breakfast, dinner, tea and supper and all these meals are very necessary.

小题1:Many English people have    meals a day.

A．two

B．three

C．four

D．three or four小题2:People may have    for their breakfast.

A．tea and eggs

B．porridge，eggs，bread，tea or coffee

C．tea and coffee

D．bread and eggs小题3:People have lunch at    ．

A．any time

B．nine

C．five

D．one小题4:People don't have    for their dinner.

A．porridge

B．bananas and apples

C．some soup and meat

D．meat and fish小题5:In many English homes dinner comes    ．

A．at one o'clock

B．in the middle of the day

C．at noon

D．at night

2002年奥斯卡最佳导演奖的得奖电影是（）

N_A为阿伏加德罗常数的值，下列叙述正确的是（　　）

A．1mol甲醇中含有C-H键的数目为4N_A

B．常温常压下，44 g C₃H₈中含有的碳碳单键数为3N_A

C．2.3g甲苯和丙三醇（C₃H₈O₃）的混合物中，含氢原子数目为0.2N_A

D．标准状况下，2.24 L溴乙烷中含共价键数目为0.7N_A

支配肌梭内核链肌纤维（）

A.张力型α神经元

B.位相型α神经元

C.静态型γ神经元

D.动态型γ神经元

E.认知相、联合相、自动相

工程监理实行( )负责制，由他全面负责建设工程监理的实施工作。

A．项目部经理

B．总监理工程师

C．总监理工程师代表

D．总结构工程师