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【单选题】Part ADirections: Read the following four texts．Answer the questions below each text by choosing A, B, C or D．(40 points)Children attending schools located in high-traffic zones have a 45 percent incr...
A.
There exists traffic-related pollution.
B.
Schools are located in heavy-traffic areas.
C.
Children are frequently exposed to pollution.
D.
The vehicles increase rapidly.
【单选题】Children attending schools located in high-traffic zones have a 45 percent increased risk of developing asthma, even though time spent at school only accounts for about one-third of a child’s waking h...
A.
Mental sickness.
B.
Respiratory disease.
C.
Influenza.
D.
Infectious disease.
【单选题】Children attending schools located in high-traffic zones have a 45 percent increased risk of developing asthma, even though time spent at school only accounts for about one-third of a child’s waking h...
A.
There exists traffic-related pollution.
B.
Schools are located in heavy-traffic areas.
C.
Children are frequently exposed to pollution.
D.
The vehicles increase rapidly.
相关题目：
【单选题】二氧化氮的比重是（）。
A.
1.57
B.
1.55
C.
1.52
【单选题】Part ADirections: Read the following four texts．Answer the questions below each text by choosing A, B, C or D．(40 points)Children attending schools located in high-traffic zones have a 45 percent incr...
A.
There exists traffic-related pollution.
B.
Schools are located in heavy-traffic areas.
C.
Children are frequently exposed to pollution.
D.
The vehicles increase rapidly.
【多选题】二氧化氮的损害有 。
A.
酸雨的形成之一
B.
大气能见度降低
C.
地表水的酸化
D.
增加水体中有害于鱼类和其他水生生物的毒素含量
【单选题】Children attending schools located in high-traffic zones have a 45 percent increased risk of developing asthma, even though time spent at school only accounts for about one-third of a child’s waking h...
A.
Mental sickness.
B.
Respiratory disease.
C.
Influenza.
D.
Infectious disease.
【判断题】氧、氟、氯、氧化氮等是可燃物。( )
A.
正确
B.
错误
【判断题】一氧化氮具有脂溶性。（ ）
A.
正确
B.
错误
【单选题】一氧化氮( )
A.
舒张肾脏血管
B.
收缩肾脏血管
C.
具有强烈利尿作用
D.
仅作用于肾脏集合管
E.
主要由血小板产生，在肝肾综合征的发病中具有重要作用
【多选题】二氧化氮的性质是（）。
A.
褐红色
B.
极毒
C.
难溶于水
D.
对眼睛和呼吸器官有强烈的刺激作用
E.
会引起肺水肿
【单选题】一氧化氮(NO)作用是（）
A.
能舒张血管，抑制血小板聚集
B.
具有强烈而持久的缩血管效应
C.
能舒张血管，维持正常血压
D.
抑制平滑肌细胞的增殖
【判断题】⼆氧化氮 ⼈体的危害很⼩。 （ ）
A.
正确
B.
错误
【单选题】Children attending schools located in high-traffic zones have a 45 percent increased risk of developing asthma, even though time spent at school only accounts for about one-third of a child’s waking h...
A.
There exists traffic-related pollution.
B.
Schools are located in heavy-traffic areas.
C.
Children are frequently exposed to pollution.
D.
The vehicles increase rapidly.
【单选题】二氧化氮是()。
A.
黑色
B.
蓝色
C.
棕色
D.
绿色