下列词语中加下划线字的读音全部正确的一项是( )
A:诘问(jí) 琐屑(xiè) 倒坍(tǎn) 戛然而止(gá)
B:睥睨(bì) 伫立(chù) 匀称(chèng) 踉踉跄跄(qiàng)
C:哂笑(shěn) 绮丽(qǐ) 炽痛(chì) 面面相觑(qù)
D:悲怆(chàng) 譬喻(pì) 休憩(qì) 肆无忌惮(dàn)
根据短文理解, 从A、B、C、D四个选项中选择最佳答案填空。
Lucy and Lily 1 twins. They are twelve. They 2 a big and nice bedroom. There 3 two beds and two desks in the room. Lucy and Lily like milk and bread, but they 4 tea or meat. You can see some bottles of milk and some bread on 5 desks. But you can't see 6 tea or meat in the room. Lucy and Lily can play 7 football and fly kites. But they can't mend a bike 8 a radio. They are good 9. They 10 very much.
①自我观察和评价 ②与他人进行比较
③主动改正自身缺点 ④他人的态度和评价
体细胞中含有3对同源染色体的生物,经减数分裂产生的配子,同时含有三个父方(或母方)染色体的配子占多少()
关于电磁波,下列说法正确的是( )