电子秤皮带上严禁站人、放重物和打水。()
参考答案:对
The cost of living in Glasgow is among the lowest in Britain, ______ the quality of life is probably one of the highest.
A.since
B.when
C.as
D.while
根据植物的生长阶段和气候特点,灌溉种类主要有播种前灌水、催苗灌水、生长期灌水及冬季灌水等。