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【单选题】
行程为几米到几十米的中型或大型机床中，工作台位移的直线测量大多数采用（）来实现。A.
光电编码器
B.
光栅
C.
感应同步器
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举一反三
【单选题】Every change of season and every change of weather ____ some change in the wonderful colors and shapes of these mountains.
A.
make
B.
makes
C.
is making
D.
are making
【单选题】Employment in Japan Recruiting season: who, when and where Every autumn, when recruitment of new graduates and school leavers begins, major cities in Japan are flooded with students hunting for a job....
A.
Y
B.
N
C.
NG
【单选题】His name has ________ at every selection meeting this season.
A.
stayed up
B.
cropped up
C.
covered up
D.
broken out
【单选题】The sentence“1 work on things every day in the off-season”（Line 3，Paragraph l）implies that__________ ．
A.
McGrady practices other things more often than he does with basketball
B.
McGrady keeps on his skills training particularly hard in the off-season days
C.
McGrady keeps on training with other exercises than with basketball
D.
McGrady practices his skills every day including the off-season time
【简答题】Normally, in every rainy season, the female ostrich produces about _________ . [A] 12 eggs in her nest [B] 18 eggs in her nest [C] 20 eggs in her nest [D] 30 eggs in her nest
【单选题】Normally, in every rainy season, the female ostrich produces about ______.
A.
12 eggs in her nest
B.
18 eggs in her nest
C.
20 eggs in her nest
D.
30 eggs in her nest
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