不论是露地芽苗砧嫁接、移砧嫁接，还是高枝嫁接，都要做到（）。
参考答案：三快一紧
Demand for well educated maids and nannies (保姆) is increasing, ____ are the wages for successful
applicants. [ ]
A. which
B. what
C. as
D. those
墙、柱（梁）面≤（）m2的少量分散的抹灰应按零星抹灰项目编码列项。
A.1.5
B.1.0
C.0.5
D.2.0
