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【单选题】
下图中,轴的上极限尺寸为 。
A.
Φ40.050
B.
Φ40.025
C.
Φ39.975
D.
Φ39.950
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【单选题】听力原文:Can the boy swim? (14)
A.
No, he can't.
B.
Yes, he can't.
C.
No, he can.
【单选题】Tell the boy that he ___ in the river.
A.
swims
B.
swim
C.
swimming
D.
to swim
【简答题】纵流式散热器芯 布置,上接进水室,下连出水室。
【简答题】_______ the age of nine, the boy could swim well.
【单选题】The teacher often warns the boy _____ swim _____ in the sea because it's dangerous. [     ]
A.
don't; alone
B.
not; by himself
C.
not to; by himself
D.
not to; lonely
【简答题】Look! The boy _____ (swim)across the river
【单选题】It is amazing that the little boy can swim ______the river ______100 meters wide.
A.
across; measuring
B.
over; measured
C.
across; to measure
D.
through; measuring
【简答题】It's ...(believe)for the little boy to swim across the Huangpu River.
【单选题】纵流式散热器芯 布置, 接进水室, 连出水室。
A.
横向 左 右
B.
横向 右 左
C.
竖直 下 上
D.
竖直 上 下
【简答题】The boy________(swim)in the river now.