A:many progre
B:a lot of progresse
C:much progre
D:many a progre
碘是紫黑色晶体,可以溶解在汽油中,形成紫红色溶液.
The tree is in spring .
中国周边外交工作,坚持与邻为善,以邻为伴,坚持睦邻、安邻、富邻,突出亲、诚、惠、容的理念。这体现( )