A：斯大林体制的弊端
B：开展工业化
C：戈尔巴乔夫改革的失误
D：西方国家的封锁
A ______ is a book used for a daily record of events, thoughts, etc.
— Will you buy this tie for Dad?
— I have no idea. I don’t know or not the colour matches his new shirt.
— Shall I give you a ride as you live so far away?
— Thank you._________
六时整，时针和分针的夹角是____度．
