行伍
参考答案:是指隋唐时士卒通过积累军功而获得低级武职或勋位,然后再积功升迁为官的制度。隋唐时期承袭北朝尚武风气,军功出身者的社会声誉并不低。
用所给单词的适当形式填空 (每小题1分,共5分)
小题1:Just ______(go) straight and turn left.
小题2:We can get to the zoo________(easy).
小题3:Her brother __________(not read) a book now.
小题4:It’s ____________(hundred) of kilometers from here to Hangzhou
小题5:What do you do in the _________(rain) weather.
用 H2还原 x g CuO,当大部分固体变红时停止加热,冷却后得残留固体yg,共用掉z g H2,此时生成水的质量为( )
A.8 (x-y)/9 g
B.9 (x - y) /8 g
C.9 z g
D.9 z /40 g