According to the cost-benefit analysis, the potential donors are likely to become active donors if they can get more benefits and less costs. </p></p>

He urged donors to ( ) their efforts to send aid to Somalia.

By heavily doping, the donors become closer to form a band.

Voluntary blood donors can get nothing in return. </p></p>

中国大学MOOC: He urged donors to _____their efforts to send aid to Somalia.

中国大学MOOC: 5. I have been so moved by the _________ of donors and the passion of volunteers.

The decision about whether to become organ donors might be affected by individuals’ moral assessment of organ allocation. </p></p>

5. I have been so moved by the _________ of donors and the passion of volunteers.‌​‌ A: generosity B: generous C: delicate D: delicacy

5. I have been so moved by the _________ of donors and the passion of volunteers. A: generosity B: generous C: delicate D: delicacy

【单选题】He urged donors to ________ their efforts to send aid to Somalia. A: step on B: step up C: step off D: step down