完成短文

It ___1___Tuesday. At 8:00 he ____2____( not have ) math. He ___3____(have) Chinese. Then at 9:00 he has science. It’s difficult, ___4___ interesting. Next at 10:00 he has history. It’s boring. But at 11:00 he has P.E. That’s __ _5___ favorite subject. He ___6____ lunch at 12:00. After lunch, He has music, it’s

relaxing. He _  _7___ his music teacher, Mr. Morgan. He’s fun. All his classes __  _8____ at 2:00. After class he has gymnastics ____9_____ two hours. His teacher is very ___10____, and he ___11____ him very tired. But after that, he has Chinese history club. It’s ___12___ interesting.

2012年3月,中国国家领导人在首尔核安全峰会上发表讲话指出,中国高度重视核安全,坚决反对核扩散和核恐怖主义。中国秉持这一立场是因为　(　　)

①核扩散会加剧军备竞争,违背世界各国的利益

②核恐怖主义会增加国际社会中的不稳定因素

③核扩散会助长强权政治,导致世界战争不可避免

④反对核扩散有利于中国自身的发展,维护世界和平

A．①②

B．①③

C．②④

D．③④