_______ which way to take, the little boy behaved like a real gentleman who comforted his sister from time to time. A. Leaving to wonder B. Having left to wonder C. Left wondering D. L
―There is still a copy of the book in the library. Will you go and borrow ______?（ ） ―No, I’d rather buy _____ in the bookstore. A. it; one B. one; one C. one; it D
如图，已知：点D是△ABC的边BC上一动点，且AB=AC，DA=DE，∠BAC=∠ADE=α. ⑴如图1，当α=60°时，∠BCE= ； ⑵如图2，当α=90°时，试判断∠BCE的
You’d better there alone. It’s dangerous. A. don’t go B. aren’t going C. won’t go
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已知圆：，四边形为圆的内接正方形，、分别为边、的中点，当正方形绕圆心转动时，的取值范围是（ ） A. B. C. D.
我国制碱工业先驱侯德榜发明了“侯氏制碱法”。其模拟流程如下： (1)反应①的化学方程式________________，反应②的基本反应类型为_______。 (2)工业上用
Hello，boys and girls! Nice to l you! My flame 2 Alice Smith．I am a 3 ．I am a 13．Look, 4 this? It’s a photo 5 my family．These are my parents and this is my 6
