淬火的目的是提高钢材的硬度、强度和塑性。( )
参考答案:错
从下列句子中找出错误的一处并改正。
( ) 1. What the matter with you, Lily?
A B C
( ) 2. She can play piano.
( ) 3. What's he favorite fruit?
( ) 4. Do she like playing games?
( ) 5. I fail the Chinese test yesterday.
房地产价格评估机构按照专业人员状况、经营业绩和注册资本可分为()。
A.临时资格
B.一级
C.二级
D.三级
E.四级