1. Ethanol is more effective at a concentration of 50-70 per cent;
    乙醇的浓度为50%至70%时比较有效，

2. But as I leaned over to stroke her forehead, what she said was, "I wish I had your hair" and "I wish I was well."
    然而就在我俯身轻抚她的前额时，她说了两句话："我希望我有你这样的头发！"和"我希望我能好起来。"

3. The law is no longer effective.
    该法令已失效.

4. Though the costume consisted only of a sheet, it was very effective.
    虽然那件化装服仅仅是一条被单,但效果很好.

5. They are effective supporters of the leader.
    他们是领袖的有力支持者。

6. That swimmer has a powerful stroke.
    那个游泳者划水很用力。

7. Though the costume consisted only of a sheet, it was very effective.
    尽管化装服仅由一个被单制成，却十分逼真。

8. The most effective people never change from one situation to another.
    给人印象最深的那些人从不随着情境的变化而改变自己。

9. The open body position is most effective when you place yourself within communicating distance of the other person — that is, within about five feet.
    当你处于与他人交流的距离-即约五英尺以内时，采取开放的身体姿势，效果最佳。

10. Next, x-rays show your mother has a lung infection — a frequent problem with stroke patients.
    而后，X光透视显示，你母亲肺部受到感染，这是中风病人的常见病症。

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