—Can they swim in the lake?
—________.
A:Yes, they do
B:No, they don't
C:Yes, they can
D:No, they didn't
人出汗、呼气和排尿,反映的生物基本特征是____.
西气东输二线工程西起新疆霍尔果斯口岸,南至广州,东至上海,途经14个省(区市)。