A:国庆黄金周,你是百无聊赖宅在家,还是去了杭州西湖感受“最忆是杭州”的余韵?
B:司马迁在《史记》中这样描述大禹治水:“左准绳,右规矩,载四行,以开九州,同九道”。
C:哪怕找不到大海,也要迈出寻觅的脚步;哪怕脚印被掩埋,也请珍惜走过的路。
D:为了变换食物的花样,我还给蝈蝈吃了梨子、葡萄、西瓜。
选出意思错误的句子( )
9的平方根是( )
在直角△ABC中,∠ACB=90°,∠B=30°,CD⊥AB于D,CE是△ABC的角平分线.
(1)求∠DCE的度数.
(2)若∠CEF=135°,求证:EF∥BC.
信号传送过程中,与无线电广播最相似的是
根据对话内容,从方框中选择恰当的选项补全对话,其中有两项多余。
A:Hi,Jill.____
B:It was great.
A:____
B:I went to Qingdao with my parents.
B:Yes, we did.
B:We played beach volleyball and enjoyed the sunshine on the beach.My father and I also swam in the sea.____
A:Sounds great.
B:Yes.We had a goodtime.
A.Where did you go?
B.What did you do there?
C.How was your vacation?
D.I'd like to play volleyball.
E.Did you go to the beach?
F.I really enjoyed my vacation.
G.Did you go with your parents?