三七横切面可见()
A.油细胞
B.油室
C.油管
D.乳管
E.树脂道
参考答案:E
The man tried out several means to have those people ______ what he said.
A.carry on
B.break out
C.stand by
D.get across
杜牧《赤壁》诗中“东风不与周郎便,铜雀春深锁二乔”,写的是《三国演义》中的哪一场战役?请简述。