对撒哈拉以南的非洲经济描述正确的是（ ）
A：以出口工业制成品为主
B：以出口初级产品为主
C：工业、农业都较发达
D：经济发展稳定，不受外国资本控制
①千金易得，朋友难觅 ②善于交往有利于完善自我
③学会交往能帮助我们解决生活中的一切困难 ④人生需要交往
⑴New Year____ A. in January or February
⑵Chinese New Year____ B. on the third Sunday in June
⑶Mother's day____ C. on 1st January
⑷Father's day____ D. on the second Sunday in May
⑸Children's day____ E. on 1st June
— Could you please not run in the hallways?
— ________.
