皮皮学，免费搜题
登录
搜题
【单选题】
曲柄连杆机构将活塞的直线运动转化为曲轴的_____________A.
往复运动
B.
圆周运动
C.
膨胀运动
D.
前后运动
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】What the people really ignore in the debate is that [ A] the effects of the modern pollutants on the living organisms. [ B ] the present situation is remarkedly different from the past. [ C ] the stre...
【简答题】Our earth has been threatened by all kinds of pollutions. Acid rain is a kind of air pollution which is hanging over our heads and coming down from many different 【S1】______ ways such as rain and snow...
【单选题】In the Gulf of Mexico the animals' presence close to shore means their usual habitat is badly polluted, and the crowding could ________ mass die-offs as fish run out of oxygen.
A.
result from
B.
benefit from
C.
devote to
D.
result in
【简答题】检索式“pollut* ”,属于( )。
【单选题】Coal miners once used the canary bird to detect
A.
poisonous gases.
B.
air pollution.
C.
water leakage.
D.
radiation.
【简答题】Private Cars in China Key Words: private cars, living standard, discouraged, limitation, air pollution, traffic energy, develop public transportation, raise the price of gasoline
【单选题】What two problems can man solve by burning garbage?
A.
The shortage of energy and air pollution.
B.
The shortage of energy and the land to hold garbage.
C.
Air pollution and the shortage of fossil fuel.
D.
Air pollution and the shortage of land to hold garbage.
【单选题】郑先生遵医嘱欲做中段尿细菌培养及药敏试验,护士对其做如下采集标本的指导,其中不妥的是
A.
先清洗外阴及尿道口
B.
弃去最初排出的尿液30～60ml
C.
将尿液直接排到清洁干燥容器内
D.
膀胱排空前停止采集尿液
E.
标本立即送检
相关题目：
参考解析：
知识点：
题目纠错 0
发布
