题目

Where did Mike go in Xi’an?A.A B.B C.C 答案：【答案】C【解析】【原文】W:How was your trip to Xi’an,Mike?M:It was great! I climbed the Huashan Mountain and took many photos.下列关于制作临时玻片标本的叙述中，不正确的是（　　）A．必需用洁净的纱布等将载玻片和盖玻片擦拭干净B．必需用镊子夹取生物材料，而不能用手直接取放C．必需用镊子夹着盖玻片进行盖盖玻片的操作D．必需将生物材料放在载玻片中央的清水滴中展平