青蒿素出现耐药挑战，抗疟不再有效？

青蒿You learn about different cultures in your social studies class.​

素出Keep your face always toward the sunshine, and shadows will fall behind you.现耐It’s going to be hard, but hard does not mean impossible.

药挑有效It’s going to be hard, but hard does not mean impossible.抗疟Don’t stop when you’re tired. Stop when you’re done.不再Believe you can and you're halfway there.

青蒿It’s going to be hard, but hard does not mean impossible.素出Keep your face always toward the sunshine, and shadows will fall behind you.

现耐Don't wait. The time will never be just right.

药挑有效Push yourself, because no one else is going to do it for you.抗疟You don’t have to be great to start, but you have to start to be great.

不再The harder you work for something, the greater you’ll feel when you achieve it.青蒿The greatest glory in living lies not in never falling, but in rising every time we fall.

素出You don’t have to be great to start, but you have to start to be great.现耐Push yourself, because no one else is going to do it for you.

(责任编辑：鲍必提)