①弘扬以改革创新为核心的民族精神
②肩负起实现中华民族伟大复兴的重任
③要牢记民族精神是民族的根
④主动为国分忧、勇当重任
A:①②
B:②④
C:①③
D:③④
若△ABC∽△A′B′C′且 = ,△ABC的周长为15cm,则△A′B′C′的周长为( )cm.
⑴____ A. vacation B. exam C. David D. favorite
⑵____ A. most B. post C. host D. cost
⑶____ A. seem B. feel C. coffee D. between
⑷____ A. however B. blow C. brown D. now
⑸____ A. clearly B. hear C. learn D. near