《国家中长期科学和技术发展规划纲要(2006—2020)》中提出到2020年,力争科技进步贡献率达到()以上。
A、50%
B、60%
C、70%
D、80%
参考答案:B
— Why was it so noisy over there?
— Mo Yan, the Nobel Literature Prize Winner, was surrounded by journalists ____ he made public appearance at today’s press conference.
A.until
B.so that
C.in case
D.the instant
散发火花地点