引起成人股骨头缺血坏死的常见原因为（） A.外伤 B.皮质激素治疗 C.酒精中毒 D

有意义的生活需要敢于创造，下列属于富有创造性活动的是

①数学课上小华提出比老师更好地解题思路 

②物理实验中小明写出了科学、详实的实验报告

③本周三小英把学校布置的英语口语比赛活动搞得有声有色

④在卫生检查中七年级（1）班的同学把教室布置得新颖、优雅

A．①②③

B．①②③④

C．②③④

D．①③④

机器的操纵装置是用来对机械的运行状态进行控制的装置，操纵装置的设计应该考虑与操作任务要求相适应的同时，必须考虑与人体( )特性相适应。

A．手臂的运动

B．眼睛的观察

C．耳朵的听觉

D．皮肤对温度的感觉

农林牧渔业半劳动力是指( )。

A．男子16～17周岁，51～60周岁；女子16～17周岁，46～55周岁

B．男子16～17周岁，51～55周岁；女子16～17周岁，46～55周岁

C．男子16～17周岁，51～60周岁；女子16～17周岁，46～60周岁

D．男子16～17周岁，51～60周岁；女子16～17周岁，51～55周岁

Marriages improve after children grow up and move out，according to an academic study，

which suggests an“empty nest”is not always a bad thing．

Popular wisdom has it that parents’relationships may suffer once their young fly the coop，

because they feel they have lost their purpose in life．However,a new study by researchers at the

University of California,Berkeley，has found that many couples actually feel happier when their

children leave home because they are able to enjoy spending time together．

In total，123 American mothers born in the 1930s were tracked for 18 years and asked to rate

their satisfaction levels shortly after marrying,when they were bringing up babies，once their

children reached their teenage years and finally at age 61，when almost all had“empty nests”．

Although not all said they were happier in general，most claimed their marriages had improved since their children had left home．Researchers believe this is not just because the spouses were spending more time together,but because they were able to enjoy each other’s company more．

One of the participants in the study,which is published in the jourmal Psychological Science，

said：“Once the kids grow up…there’s some of that stress removed…that responsibility removed，so things are a little more relaxed．’’

Psychologist Sara Gorchoff,who carried out the investigation，said：“The take-home message

for couples with young children is‘hang in there’．”Her co-author Oliver John added：“Don’t wait until your kids leave home to schedule quality time with your partner．”   

However,Dr Dorothy Rowe，from the British Psychological Society，said the effects of living

in an“empty nest'”will depend on the parents’relationship with their children．“If yod’re just

waiting for them to leave home so you Can get on with your life，then of course you’11 be pleased to see them go，”she said，‘‘But if you’ve built your life around your children you’11 be terribly lonely．”For some parents，their world falls apart when their Children leave．’’

72．It is commonly believed that            

A．marriages improve after children leave home

B．an“empty nest'’is always a happy thing

C．parents’relationships may suffer once their young grow up and move out

D．parents will be pleased after their children leave home

73．When did many couples feel happier according to the study?

A．At age 61．when almost all had“empty nests”．

B．Shortly after marrying．

C．Once their children reached their teenage years．

D．When they were bringing up babies．

74．Marriages improve after children fly the coop not because         

A．many couples are able to spend time together

B．many couples arc able to enjoy each other’s company

C．things are a little more relaxed

D．many couples needn’t work at all

75．The author ofthe passage tends to agree that          ．    

A．parents should build their life around their kids

B．parents should schedule quality time with each other before kids leave home

C．parents’relationship with their kids has no effect on marriages at all

D．parents should be pleased to see their kids leave home

"药品说明书"是经过国家药品监督部门审核通过的，记录涵盖药物最常见的药物不良反应，具有一定的法律意义。关于药物不良反应主要的三本参考书是

A．《马丁代尔药典》

B．《麦氏药物副作用(Meyler's Side Ef-Fects Of Drugs)》

C．《药物副作用年鉴(Side Effects of Drugs Annual)》

D．《Physician's Desk Reference，PDR(医师案头参考，美国)》

E．《注射药物手册(Handook on In-Jectabe Drugs)》