在直角三角形中，如果各边都扩大1倍，则其锐角的三角函数值（　　）

根据下列句子所给的提示及句意，写出句子空缺处各单词的正确形式。
1.I never feel ____ (无聊的) or unhappy when he is with me.
2.He lives____ (独自), so he often feels ____(寂寞).

3.This dress is very popular this year. Do you know who the____ (design) is?
4.He didn't ____(出现) until ten o’clock last night.
5.They are having an ____ (采访) with Mr. Green about the changes in his hometown.
6.Traveling____(到国外) has become fashionable.
7.The castle looked____ (shine)and beautiful under the fireworks.

社会上有所谓贫困家庭出身的是“贫二代”、富裕家庭出身的是“富二代”之说。有人对“贫二代”、“富二代”提出了如下劝勉，正确的是（     ）

①每个人生命的辉煌和灿烂都源自于自身的努力和追求　    ②保持乐观心态和平常心　

③不因贫穷而责怪父母，也不因富裕而沾沾自喜　              ④无论是贫穷还是富裕，在人格上是平等的