【单选题】We don’t know _________ with the rubbish and it pollutes out land and sea.
【单选题】We werethat the Wenchuan earthquake left the whole city in ruins.A.shockedB.worried aboutC.worryi
A.
19.We were that the Wenchuan earthquake left the whole city in ruins. A.shocked
【单选题】We can achieve a win-win result, _____that you are willing to make a concession.
【简答题】(8分)回答以下显微镜的结构及操作等问题。 (1)请写出右图引线所指示的显微镜的结构名称。 (2)在观察口腔上皮细胞时,使用目镜是10×,物镜是12.5×,则细胞被放大的倍数是 倍。 若看到的物像不够清晰,应调节 准焦螺旋。操作时若发现镜头上沾有污物,要用 擦拭。 (4)小明观察到物像在显微镜视野的左上角,他把玻片向 方向移动,使物像处于视野中央。
【单选题】在学习过程中,教师引导学生将新学的知识融入自己先前所学的知识结构中,从而在所学知识间建立前后联系,形成统一体系。这运用的学习策略是()。
【单选题】We are both looking forward to _____ next week. A. going on vacation
【单选题】We were in such an anxious_____ when we left that we forgot the airline tickets.