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【判断题】
属于同一生态带内的不同地区之间,由于主要生态因子近似,彼此间相互引种时仍较易获得成功。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】—Did your dad fix the brakes on the BMW himself? —He , because he doesn’t know much about cars.
A.
has it fixed
B.
had fixed it
C.
fixed it
D.
had it fixed
【简答题】Did your dad watch TV yesterday evening? No, he______.
【单选题】----What did your dad tell you, my baby? ----He said the sun _______ in the east.
A.
went up
B.
will go up
C.
goes up
D.
is going up
【单选题】A: Did your dad watch TV yesterday evening? B: No, he __________. He went to the cinema.
A.
was
B.
did
C.
wasn't
D.
didn't
【单选题】—Alan, come here. I need your help. —Sorry, Dad. I ________ the dishes now. [ ]
A.
do
B.
did
C.
am doing
D.
was doing
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