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【简答题】
绿色食品与普通食品相比有三个显著特征:(1) 强调产品出自最佳生态环境。(2)____(3) 对产品依法实行标志管理。
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【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
【单选题】不属于地铁通信传输内容的是( )
A.
语音通信
B.
手机信号
C.
图像视频
D.
数据信息
【判断题】模式为对数据集的全局性总结,它对整个测量空间的每一点做出描述;模型则对变量变化空间的一个有限区域做出描述。( )
A.
正确
B.
错误
【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
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