By the late 1980’s Hip-hop had become more popular than rock music in America.

【单选题】有以下定义和语句 struct workers { int num;char name[20];char c; struct{int day; int month; int year; } s; } ; struct workers w,*pw; pw=&w; 能给 w 中 year 成员赋 1980 的语句是 () A. (*pw).s.year=1980; B. w.year=1980; C. pw‐>year=1980; D. pw.s.year=1980;

She has been working in this factory (). A: in 1980 B: after 1980 C: since 1980 D: until 1980

已知学生记录描述为：struct student{ int num; char name[20]; struct { int year;int month;int day;}birth;};struct student s;下列对“生日”的正确赋值方式是（ ） A: year=1980; month=6; day=11; B: birth.year=1980;birth.month=6;birth.day=11; C: s.year=1980; s.month=6; s.day=11; D: s.birth.year=1980; s.birth.month=6; s.birth.day=11;

1980年初为什么是intheearly1980s而不是1980

A. 1980

【单选题】下述对出生日期进行比较的表达式中,正确的是 A. 出生日期 >‘1980/1/1’ B. 出生日期 > 1980/1/1 C. 出生日期 > 1980:1:1 D. 出生日期 > ‘1980:1:1’

软件危机出现在（ ） A: 1950～1960 B: 1970～1980 C: 1960～1970 D: 1980～至今

Оннашелсоглашение____10-гоянваря1980года. A: к B: до C: по D: от

Please Listen to the following TED talk and answer the questions followed. （3分08秒-4分02秒） The paper lead the speaker testifying to Congress in the 1980’s, testimony in which he emphasized that global warming increases