什么是调节器的反作用？

Easy Ways to Boost（改善）Your Mood

_______小题1:_______. Taking an extra moment for yourself will make your day brighter and give you a healthier outlook on life. Here are some simple ways you can bring a little happiness into your life right now:

1. Go for a walk.

Grab your dog, best friend, or your significant other and head out on a brisk（轻快的） walk. Just a little bit of exercise can boost your mood and give you a fresh perspective（态度） on problems that have been bothering you. Think walks are boring? ________小题2:_______. Take a trip to the mall, or even walk to get some frozen yogurt. Make it a fun trip and you’ll surely make it part of your routine.

2.________小题3:________.

After all, laughter is the best medicine. Pick up something that makes you laugh like a funny picture, book, magazine, or a DVD of your favorite comedy. _______小题4:______. Giving yourself time to laugh boosts feel-good endorphins（胺多酚）.

3. _______小题5:________ .

Take a photo of yourself doing something you enjoy, like roller skating, skiing, swimming, playing an instrument, or being with friends and family.  Place the picture on your desk to remind yourself that you lead an amazing life and have lots to be happy about.

A．Model behavior

B．Try walking to a place that seems exciting to you

C．Ten minutes of relaxation can do wonders

D．Even the most optimistic people can use a mood boost every once in a whileE. Tell someone that you’re guaranteed to brighten their day

F. You could even plan a date night out to a comedy club

G. Buy something silly

在计算机中传送信息的基本单位是

A．字

B．字节

C．位

D．字长

引起出血性疾病的三种主要因素包括_____________、_____________和血小板量或质的异常。

关于容积再现三维成像的描述，错误的是（）

A.能显示空间结构信息

B.能显示密度信息

C.数据计算量大

D.耗时

E.图像显示的准确性受图像处理中分割参数的影响较明显

金属液面裸露，由于氧气射流冲击力的作用，使金属液滴从炉口喷出，这种喷溅为（）。

A.爆发性喷溅

B.泡沫渣喷溅

C.金属喷溅

D.其它喷溅