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材料题请点击右侧查看材料问题 查看材料

A. Order it in advance by computer.
B. Ask the reserve librarian for it.
C. Wait for a few hours in the library.
D. Buy it in the reserve room.

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材料题请点击右侧查看材料问题 查看材料

A. In teachers" special room.
B. In students" reading room.
C. In modern book room.
D. In the reserve room.

甲藻是重要的浮游藻类,也是水生动物的主要饵料,但其过量繁殖,常使水变红,形成______,并产生大量有毒物质。因此,对渔业危害很大。

材料题请点击右侧查看材料问题 查看材料

A. Saying goodbye to her secretary.
Buying a ticket for a concert.
C. Ordering a dinner in a hotel.
D. Booking a flight ticket.

材料题请点击右侧查看材料问题 查看材料

A. New tasks.
B. Trip expense.
C. Vacation.
D. Trip to Europe.

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