全部

1·Dave didn't want to give blood to his sister.

戴夫不想给他妹妹献血。

2·A leading concern is that someone with AIDS virus might give blood to a blood centre.

最主要的担忧是，艾滋病毒携带者可能会向血液中心献血。

3·People give blood to the centers, where it is kept until it is needed for medical purposes.

人们向中心机构献血，直到医疗需要前，这些血会一直贮存在机构里。

4·People get weak when they give blood.

献血会使人变得虚弱。

5·Blood donors give blood for use in hospitals.

献血者献血供医院使用。

6·I'm going to give blood as soon as I'm old enough.

当我到了年龄后我也会去献血的。

7·Give blood if you can and many lives will be saved.

如果可以的话，请献一点血，很多生命将会因此而获救。

8·Give blood if you can and many lives will be saved.

如果你能，来献血吧，这会挽救很多人的生命。

9·If a train crashes, people will line up to give blood.

火车出事故了，人们会排着队去献血。

10·She and her colleagues asked volunteers to give blood samples.

她和她的同事们对志愿者采集了血样。