— Could you tell me ?
— I'm not sure. Maybe next week.
A:where shall we have a class trip
B:where we shall have a class trip
C:when shall we have a class trip
D:when we shall have a class trip
我国人口分布的重要地理界线是:
中国古代制瓷业大放光彩,瓷器种类众多。下列瓷器种类出现的时间最晚的是( )
p1:∃x∈R,sin2x2+cos2x2=12 , p2:∃x,y∈R,sin(x−y)=sinx−siny , p3:∀x∈0,π,1−cos2x2=sinx p4: 若 sinx=cosy ,则 x+y=π2 其中假命题的是( )
多音字组词。
了le____ liǎo____
着zhe____ zháo____
种zhǒng____ zhòng____