反复肺部感染造成肺气肿的主要机制是-我要搜题网

[多项选择]核反应与化学反应的区别是（）
A. 化学反应受环境温度、压力影响，而核反应不受环境温度、压力影响
B. 化学反应中反应物浓度随时间而减少，而核反应不确定
C. 化学反应比核反应速度快
D. 化学反应受反应介质影响，而核反应不受介质影响
E. 化学反应中产物浓度随时间而增加，而核反应不确定

查看答案

[不定项选择题]共用题干 Many Women Who Beat Cancer Don't Change Habits
Many women who battle breast cancer will tell you it's a life-changing experience. However,a new study shows that for many___1___ ,the changes aren't always positive or permanent.
Beth Snoke has watched her mother and both grandmothers battle and survive breast ___2___.So when she was diagnosed,there was no doubt in her mind ___3___ she had to do.
“I do exactly what the doctors say as far as the medicine that I'm on,as ___4___ as the vitamins,the diet,and the fitness. And I can't stress enough___5___ important that is,”says
Beth Snoke. But a surprising new study shows that___ 6___ every woman who beats breast cancer is getting that message. In fact,nearly 40% of them say even___7___ surviving breast cancer,they haven't made significant changes in the 8 they eat or how much they exer- cise.
“Not all survivors are taking advantage of this teachable moment and making positive health changes in___9___life,”says Electra Paskett,PhD,at Ohio State University's Cornprehensive Cancer Center. Paskett says diet and exercise have been proven to not only help women feel better during and after treatment,they may___10___play a role in preventing some cancers from coming back.___ 11___ growing evidence,some women just aren't listening.
“Colon cancer survivors ___12___ exercise have actually been shown to have improved survival rates.So,yes,it is true that perhaps by making some of these healthy choices we can actually increase their health,”says Paskett.
As a breast cancer survivor ___13___ ,Paskett knows first hand how much difference diet and exercise can___14___.The challenge,she says,is to get more survivors to be more like Beth,during and after treatment.
Experts-say exercising more and eating a healthier diet can also cut___15___on stress and help women overcome depression. There are more than 2 million breast cancer survivors liv-ing in the U. S. of those,nearly a million have yet to change their diet or exercise routines. 12._________
A.who
B.whose
C.which
D.what

查看答案

[单选题]二号线上下行线接触网各划分为（）个供电分区。
A.10
B.11
C.12
D.13

查看答案

[单项选择]远动装置A/D转换装置的输入一般是直流（）
A. 5V
B. 24V
C. 48V
D. 220V

查看答案

[单项选择]某食品公司开发了1种新的以禽蛋为主要原料的食品，检测部门对其安全性进行评估。检样经处理后接种相关选择增菌培养基，结果发现在7.5%肉汤中见混浊生长现象。培养物中最可能的细菌是（）
A. 大肠埃希菌
B. 副溶血性弧菌
C. 沙门菌
D. 金黄色葡萄球菌
E. 蜡样芽孢杆菌

查看答案

[判断题]防寒采暖设备不良，车内温度不能保证摄氏16度以上的客车，不得编挂使用。
A.正确
B.错误

查看答案

[多项选择]校本培训的难度有哪些？（）
A. 需较多课余时间
B. 并非人人乐意参与
C. 组织领导工作不易进行
D. 资源和支持不足
E. 经费不足

查看答案

[判断题]沥青的闪点是受热沥青试样所挥发的油分气体，遇以规定方法与之接触的试焰，初次发生一瞬即灭的闪火时的试样温度