What will the man do in the future?
A.Start computer business.
B.Work for a computer company.
C.Employ the woman.
D.Study with the woman.
请帮忙给出正确答案和分析,谢谢!
多环芳烃PAH-DNA加合物
A.内剂量生物标志物
B.生物效应剂量标志物
C.早期生物学效应生物标志物
D.结构和(或)功能改变生物标志物
E.易感性标志物
请帮忙给出正确答案和分析,谢谢!
The best title for the passage is______.
A.New Technology, Fresh Lifestyle
B.A New Boiling Process with Solar Power
C.Nanoparticles and Steam Creation
D.Importance and Implications of Steam
请帮忙给出正确答案和分析,谢谢!
Which of the following is TRUE about the new mechanism of producing steam?
A.It is similar to bringing down the boiling point of water.
B.Steam generators running solely on water and sunlight are under research now.
C.It employs the use of nanoparticles to focus sunlight more efficiently.
D.The research is widely known in the academic circle but little known among the public.
请帮忙给出正确答案和分析,谢谢!
地面水中三氮含量为:氨氮()、亚硝酸盐氮(-)、硝酸盐氮(),则说明地面水
A、新近受到污染,自净正在进行
B、曾受到污染,但自净已经结束
C、过去受到过污染,目前正在进行自净
D、过去受到污染已经自净,最近又受到污染
E、以上情况都不是
请帮忙给出正确答案和分析,谢谢!
高肾素型高血压患者首选
A、阿替洛尔或卡托普利
B、美托洛尔或硝苯地平
C、硝苯吡啶或卡托普利
D、呋塞米或尼群地平
E、硝普钠或硝酸甘油
请帮忙给出正确答案和分析,谢谢!
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