皮皮学，免费搜题
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【单选题】
Ø20H7和Ø20F7的尺寸精度是( )。A.
Ø20H7高
B.
Ø20F7高
C.
一样
D.
无法判断
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【单选题】The alligator(鳄鱼) was Mother' s fault. She told me to buy something (36). Mother, as usual, blames me. She says that I' ve got more (37) than brains. That's not my little brother's (38) . I'm envious ...
A.
(51) began to build in my mind. I i- magined what would happen tonight (52 Bobby opened his present. He would probably run (53)from the room. It was the (54)gift. I could keep my(55) because it would be a nature thing as well as something special. 36. [ A] important [
B.
] valuable [ C] special [ D] useful