单选：琉璃法制成的菜肴，冷却后形成一层棕黄色晶莹透亮的（）。A．液体B．晶体C．固体D．糖汁

动物饲料中长期缺乏必需脂肪酸时，动物可出现（）。A．贫血B．水肿C．体内胆固醇量下降D．不孕症E．前列腺素合成增加

Environment makes __________we are. If we damage the environment, we′ ll enda...

根据题目要求完成下列任务，用中文作答。下面是某初中教师的课堂教学片段。(T asked Ss to make sentences accordin...

Which of the following is a communicative activityA.Listening to the news report

Which of the following activities is the most suitable for group workA.Guessing