对项目活动质量的评价是一项()。
A.单项评价
B.综合评价
C.多项评价
D.群体评价
E.集约评价
参考答案:B
The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ________ after the terrible quake.
A.in trouble
B.on purpose
C.out of work
D.in ruins
根据月球与太阳的黄经差从0°、90°、180°到270°,相应的月相为()。