题干
He was late as a result of the heavy snow.
A：because of
B：so that
C：except for
答案(点此获取答案解析）
A
He was late as a result of the heavy snow.
A：because of
B：so that
C：except for
别放回原来小桶后再多次重复。分析下列叙述，不正确的是（ ）
列不同反应中键的断裂不正确的是
