A.只控制被测要素的方向误差
B.能综合控制被测要素的形状、方向和位置误差
C.能综合控制被测要素的方向误差和形状误差
D.不控制形状误差,但可以控制位置误差
第1题
The boy has admitted to ____ the window while playing football yesterday.
A. breaking
B. having been broken
C. break
D. be breaking
第2题
The small boy ______ a packet of sweets from his pocket while playing in the park.
A.took off
B.took out
C.took from
D.took out of
第3题
The missing boy was last seen ______ near the river.
A.playing B.to be playing C.play D.to play
第4题
What do you know about the boy?
[A] He isn't good at football.
[B] He is interested in football.
[C] He doesn't like to watch TV.
第5题
The big boy tried to climb through the window of the warehouse, but it's a ______ fit.
A.smooth
B.close
C.tight
D.stiff
第6题
The boy regretted having spent so much time playing when he______.
A.should have studied
B.had studied
C.was to study
D.must study
第7题
The boy regretted having spent so much time playing when he______.
A.should have studied
B.had studied
C.was to study
D.must study
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