材料题请点击右侧查看材料问题 查看材料
A. The condition of the hotel was not satisfactory.
B. He wanted to camp out with his new friends.
C. He had to find a hotel with WiFi.
D. He left the money in the airport.
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A. Perth.
B. Sydney.
C. Adelaide.、
D. Melbourne.
海带孢子体分_______、_______和_______三部分,内部为无色的_______,表面常见到褐色的是_______;细胞中的叶绿素为_______和_______,光合产物为_______。