A:currently
B:actually
C:recently
D:lately
-- ______ our eco-travel plan might be put off.
-- Yes, it all depends on the weather.
①港澳地区——“前店” ②珠江三角洲地区—“后厂”
③珠江三角洲地区—“前店” ④港澳地区—“后厂”
在常温下能导电的是____,属于电解质的是____.