问题 填空题

男女生殖器官的差异叫做性发育.______.

答案

青春期是一个生长和发育发生重要变化的时期,男孩身高突增,性器官迅速发育,男性的睾丸和女性的卵巢迅速发育,属于第一性征;性器官能产生生殖细胞核分泌性激素,控制第二性征的出现,如男性出现喉结、阴毛、腋毛、胡须等,还出现声音变粗的变声现象等;女孩出现阴毛、腋毛, * * 增大等.可见题中的叙述是错误的.

故答案为:×

阅读理解

阅读理解。

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项.选项中有两项为多余选项.

Easy Ways to Boost(改善)Your Mood

_______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 on problems that have

been bothering you. Think walks are boring? ________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.________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. _______4______. Giving yourself time to

laugh boosts feel-good endorphins(胺多酚).

3. ________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 behaviorB. 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 while

E. 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

单项选择题