— At 10:00 last night.
A:did, finish
B:does, finish
C:is, finishing
D:do, finished
The World Wide Web is sometimes jokingly called the World Wide Wait because it ______be very slow.
36+58=____
80-24=____
560+80=____
7200-2000=____
8600+700=____
很多人看恐怖电影时,在内脏神经的支配下,肾上腺髓质释放的肾上腺素增多.该激素可作用于心脏,使心率加快,同时会出现出汗、闭眼等反应.下列有关叙述正确的是( )