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【多选题】
在测量子镜片顶点高度时，当双眼测量结果相差（ ），以主眼的测量高度为子镜片顶点高度。A.
2.5mm
B.
1mm
C.
3mm
D.
1.5mm
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举一反三
【单选题】The place which _____ the beautiful scenery with the comfortable hot spring baths makes traveler's stay there most enjoyable. [ ]
A.
compares
B.
combines
C.
competes
D.
connects
【单选题】Returning from Guilin, he told me about the scenery ________ interested him there.
A.
where
B.
what
C.
which
D.
who
【简答题】______ on the hilltop, you could enjoy the scenery of the city bathed in the sun. A: Standing B; Stand C; Stood
【单选题】This was the first time that he ______ so beautiful scenery.
A.
has seen
B.
had seen
C.
would see
D.
saw
【单选题】Guilin ’s scenery is famous for except
A.
Danxia landform
B.
water scenery
C.
limestone towers
D.
architecture
【单选题】To enjoy the scenery，he would rather _____ long hours on the train ___ travel by air．
A.
spend ; to
B.
to spend; rather than
C.
spend ; than
D.
spending; while
【简答题】激光的特点（）、方向性好、相干性强和功率高。
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