粮店运来面粉380千克,运来的大米比面粉的2倍多20千克,运来大米多少千克?
380×2+20,
=760+20,
=780(千克);
答:运来大米780千克.
Some of the students have already learned enough English to ________ a conversation with a native
English speaker. [ ]
A. carry on
B. keep on
C. go on
D. hold on
顶端常有密集成鳞片状的叶柄残基。体轻,质硬而脆,断面淡棕色至暗棕色,有4~10个类白色点状维管束排列成环,中央髓部灰黑色。气微,味极苦,该药材为( )
A.鲜地黄B.生地黄C.玄参D.巴戟天E.胡黄连