3 . 皮肤是身体的重要组成部分，也是身体最大的器官。(汉译英)

4 . The largest organ of your body is the ________.

A．brain

B．mouth

C．stomach

D．skin

5 . 皮肤，身体最大的器官，充当着抵御疾病和太阳光线的一道屏障。(organ；barrier；ray)(汉译英)

6 . 不要把皮肤直接暴露在阳光下。(expose...to)(汉译英)
________________________________________________________________________

8 . Remove any clothes using scissors_________ (如果有必要的话), ________________________________(除非你看到衣服粘在烧伤的皮肤上)．(根据汉语提示完成句子)

9 . 写出下列句子中画线部分的汉语释义。
1. Morning and night, Mother Bird is there until her baby’s old enough to leave the nest.
2. What do you think “strangers under the same roof” means?
3. Tensions between doctors and patients seem to rise.
4. He has dark skin, with lots of red spots on it.
5. Many lonely people in the community are easy targets of cheating.
6. Sometimes they forget that growing up is a rough ride.
7. All of this can lead to a breakdown in your relationship.
8. After you have thought it through, explain your actions and feelings calmly.
9. He refused to back down from his responsibilities and kept on doing scientific research.

10 . 婴儿的皮肤非常娇嫩。
Babies have__________ __________ __________.