在项目财务评价中，当财务净现值（）时，项目方案可行。 A．FNPV≤0 B．FNPV

引起光变应性接触性皮炎的常见光敏物有（）。

A.喹诺酮类药物

B.氯丙嗪

C.青霉素

D.遮光剂如二苯甲酮

E.卤代水杨酸

So addicted to computers ____ that the leaders in the summer camps often had to force them to

break for sports. [ ]

A. the children did become                

B. did the children become

C.the children became                    

D. became the children

今天在街上有个人要小明登记自己的家庭住址、电话号码，说可以参加抽奖活动，小明拒绝了。

小明的做法对吗？为什么？

________________________________________________________________________________

He had his camera ready ________ he saw something that would make a good picture.[ ]

A. even if  

B. if only

C. in case  

D. so that

思想政治工作的科学化，是指什么？