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【判断题】
算数平均报酬率是指一定期间内各报酬率的平均值。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：M: Professor Linda，we were wondering if we could sit in on your English class. W: I wish I could say yes，but if I accepted you two，I wouldn't know how to say no to a lot of others who have made t...
A.
She rejects their request.
B.
She accepts their request.
C.
She agrees to consider their request.
D.
She asks them to come with the others.
【单选题】There was _____to prevent the accident .
A.
something could do
B.
anything we could do
C.
nothing we couldn’t do
D.
nothing we could do
【单选题】The project looks at how we could be more( )in encouraging students to enter teacher training.
A.
effect
B.
effective
C.
effecting
D.
affective
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