如图,在▱ABCD中,下列结论错误的是( )
A:∠ABD=∠BDC
B:∠BAD=∠BCD
C:AB=CD
D:AC⊥BD
⑴____ A. water B. bank C. have D. thank
⑵____ A.build B. under C. umbrella D. cut
⑶____ A.soon B.look C.book D.good
⑷____ A.write B.whole C.whom D.whether
⑸____ A.find B.kind C.behind D.village
多音字组词
撒sā____ 塞sāi____ 钻zuān____
sǎ____ sài____ zuàn____
已知果蝇的体细胞中有4对同源染色体,根据萨顿的假说,下列关于果蝇减数分裂产生配子的说法正确的是( )