without；ill；help；bad；health；tell；quick；feel；importance；danger

When people hear the word "stress"，they usually think of something bad.However，stress can have several benefits（益處）for the body and mind.To begin with，people may feel stressed when there is something（1）

important

important

to do.For example，some students are stressed before a big test.The stress might make them（2）

feel

feel

nervous（緊張的），but it also makes them focused.This type of stress can（3）

help

help

people work efficiently（高效地） to meet their goals.
   Another way stress benefits us is keeping us（4）

healthy

healthy

.Scientists who study stress learnt a little stress could make the immune system（免疫系統(tǒng)）stronger.
   When your body learns to respond（反應(yīng)）to some stress，it's able to protect（護(hù)）you better from getting（5）

ill

ill

.
   The final way that stress benefits us is by helping us respond to（6）

danger

danger

.If you see a car coming around the corner too fast，you might experience stress.This stress sends a message（7）

to tell

to tell

your brain about the danger，allowing your body to respond（8）

quickly

quickly

.You may not be able to jump out of the cars way soon enough（9）

wiithout

wiithout

the stress.
   Of course，too much stress is（10）

bad

bad

for our bodies and minds.Bu the right amount of stress makes us more efficient，healthier and safer.