选择题:直接或间接利用绿色植物有机物作为食物源的异养生物是__________。 题目分类:习题答案 题目类型:选择题 查看权限:VIP 题目内容: 直接或间接利用绿色植物有机物作为食物源的异养生物是__________。 参考答案:
Hardly ______ when the door suddenly closed. Hardly ______ when the door suddenly closed.A. they had arrivedB. they arrivedC. did they arriveD. ha 分类:习题答案 题型:选择题 查看答案
Student A: I wonder whether you are satisfied with the new equipment. Student B: Student A: I wonder whether you are satisfied with the new equipment.Student B: ______. It gives me a 分类:习题答案 题型:选择题 查看答案