help you.锻炼不仅能强健身体，还能使人头脑灵活。如果你不喜欢运动或者还不明白它为什么重要的话，这些事例和建议或许会对你有些帮助。健美仪态Keep back straight to avoid...音乐与大脑Having music on the brain (Page 19-C2)You hear a line from a song and straight away it makes ……

teeth, so don’t worry if yours aren’t straight. Take a look at most of your classmates – many don’t have straight teeth either.Types of bracesIf your parents had braces, you may have seen pictures ……

house to a New York City apartment in a bid to avoid photographers. "But I know my rights. I'll have them arrested (if they make troubles)," she said.US actress Renee Zellweger has hit back at rumours ……

your face, and bend your left knee. Keep your right arm at your side and your right leg straight. Try...MOST lower back pain is caused by poor health habits. Office workers are particularly at risk ……

lookconfident(自信的). Stand up straight and put your shoulders back. Pretend someone justdumped(倾倒) a bottle of ice water down your back. That's how straight your back should be.Neat hairGo to astylist(发型 ……

lookconfident(自信的). Stand up straight and put your shoulders back. Pretend someone justdumped(倾倒) a bottle of ice water down your back. That's how straight your back should be.Neat hairGo to astylist(发型 ……

. Engage your gluteus. This will help you keep that straight line. Keep those angles at 90... in front of your face. This will keep your neck from straining.  Don’t *overarch your back. You ……

. Retainers keep your teeth from wandering back to their original places. Your retainer will be specially...’t straight. Sometimes teeth just don’t grow in evenly (均匀地).Your teeth might be crooked (弯曲 ……

your arms are at about a 90-degree angle.Push yourself straight back up to the starting position... mainly on your *elbows. Contract your abs to keep your body in a straight line.Former American ……

lifeB. many students have no idea of what true happiness isC. students should avoid talking about.... The purpose of the article is to ______.A. remind students to keep an eye on the details in their lifeB ……

are they?They arebraces(牙套). They help people get straight teeth.Some people have teeth that are out of place... trouble for you when you chew, talk or smile.Braces work little by little on these teeth. After some time ……

to stay safe and get yourself out of trouble, if necessary. In a car1. Don’t bury yourself in your phone when riding in a car. Keep track of where you’re going at all times.2. *Activate the GPS on your ……

the wind. That’s a piece of cake for me! But I have trouble passing the baton (接力棒) and running in my own lane. When my teammate passes me the baton, I need to turn back to see if she is coming ……

soon get him back on the straight and narrow.”On the straight and narrow是“安分守己，循规蹈矩”, 经常说keep/stay..., but his mother is urging him to get back together with her. “Justin’s mom (Pattie Mallette) has always ……

“忍住笑。”英语怎么说？Keep a straight face.例句: She was serious, but when she burped, I couldn’t keep a straight face. 她看起来很严肃，不过听到她打嗝，我实在忍不住笑了。 ……