题目

A few things to do during weekends to improve your life Weekend at last! Something you’re so looking forward to after a tiring week at work. Here are several tips on how to make the most of your weekends. Spend time with loved ones. Reconnect with family members or friends you neglected(疏忽) lately. Don’t do it out of guilt or because you have to. Do it because you want to. Re them to see how they are doing. 36 Return their calls if you were busy when they last tried to reach you. Talk to them. Listen to them. Be there for them. 37 Stay away from TV, iPad, iPhone and any other elA. 核酸由C、H、0、N、P等元素组成B. 核酸是生物的遗传物质C. 核酸的基本组成单位是DNA和RNAD. 核酸能控制蛋白质的合成