On this Christmas Day I had the wonderful opportunity to see the true spirit of Christmas. My big family always 36. ____ presents together at the start of the New Year and have done so in this way f
The old lady is seriously ill we can’t tell her about the death of his son.A.very; thatB.too; toC.so; thatD.such; that
You be hungry already—you had lunch only two hours ago! A.wouldn’t B.can’t C.mustn’t D.needn’t
In that school, English is compulsory for all students ,but French and Russian are _____. A. special B. regional C. optional D. original
下列有机物中,在不同条件下,既能发生水解反应和消去反应,又能发生酯化反应并能与金属钠反应放出氢气的是( )A.只有②
在下面的横线上填写出相应的句子。(7分) ⑴_______________,草色遥看近却无。(韩愈《早春呈水部张十八员外》)⑵苍颜白发,_____________,太守醉也
下列关于细胞周期的说法,不正确的是 A.细胞周期的大部分时间处于分裂间期 B.细胞的种类不同,一个细胞周期的时间也可能不相同 C.细胞周期是
人体视觉形成的部位是( ) A、视网膜 B、视觉中枢 C、视神经 D、眼球