根据首字母或中文提示完成句子。
Tony likes talk show. But he can't s____ Chinese cooking.
Look! Tom and his family are l____ on the beach, they look happy.
We had great fun s____ in the river.
The pop singer w____ funny glasses is Johnny Dean.
I'm s____she can dance so well. She is only 7 years old.
——What e____ do you have to do?——We have to clean the classroom.
 On weekends, the shops are too c____, there are so many people in them .
——What's Lilei doing?—— He's w____ for the bus.Jenny is lazy, she n____does her homework at home.
Do you think everyone e____  their weekends?

属于我们的自尊所表现出来的行为有 （    ）

 ①喜欢穿名牌服装   ②爱清洁，经常要洗头  ③讲文明有礼貌  ④说话洪亮

下列关于染色体、DNA和基因的叙述，正确的是（ ）