对设备可消除性的有形磨损进行补偿的方式有()。
A.更新
B.现代化改装
C.大修理
D.日常保养
E.淘汰
A.更新
B.现代化改装
C.大修理
D.日常保养
E.淘汰
第1题
The leaves of many trees turn ______ in autumn.
A.to red
B.red
C.to be red
D.into red
第2题
______
第3题
______ , leaves from certain trees such as the maple turn into bright colours.
A.During the fall
B.With the fall
C.While the fall
D.Along the fall
第4题
A. will turn
B.turn
C.will get
D.get
第5题
第6题
There was no snow, but the leaves were gonefrom the trees,andthe grass was dead.
第7题
On the hill are maple trees ______ leaves have turned red.
A.who
B.whom
C.whose
D.which
第8题
On the hill are maple trees ______ leaves have turned red.
A.who
B.whom
C.whose
D.which
第9题
On the hill are maple trees ______ leaves have turned red.
A.who
B.whom
C.whose
D.which
第10题
You can see that the leaves of these trees vary from ______ green to dark green. (yellow)
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