【单选题】These_______want to have some fish for lunch ,so they decide to catch many ________
【简答题】已知a=-5,b=3,c=-6,求a-b-c的值.
【单选题】听力原文:M: Let me give you some more fish. W: No, thank you. I prefer to have some vegetables. What does the woman prefer to eat?
【简答题】(速卖通)库存扣减方式分为付款减库存和( )
【单选题】第二个任务点的案例《保育员也是老师》充分体现( )的工作理念。
【单选题】______ some fish in the river. [ ]
【简答题】Some fish have a greater ________ for acid water than others. A) tolerance B) resistance C) dependence D) persistence