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【简答题】
The old lady walked away, still ____ ___ ___ ___ ( smile ) and waving back to me.
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举一反三
【判断题】旋转面选择方向时的箭头方向与曲面旋转方向两者遵循右手螺旋法则。
A.
正确
B.
错误
【简答题】There some milk in the bottle. [     ] A is B.are C has D have
【单选题】Millie always has bread and milk __________breakfast.
A.
for
B.
on
C.
to
D.
in
【简答题】透镜有两种 ,中间厚度大于边缘厚度的叫______透镜,中间薄边缘厚的叫做______透镜。 2.透镜的中央有一点,凡是经过该点的光线都______方向,这一点叫做透镜的光心。通过光心和球面的球心C1、C2的直线叫做透镜的______,简称______。 3 .凸透镜对光有______作用,所以又叫做______透镜;凹透镜对光有______作用,所以又叫做______透镜。
【简答题】首层(3.8m)2、3轴交C、D轴板内下部X方向钢筋单根长度为()mm。
【简答题】(中文 ) 前台 (英文)
【单选题】凹透镜又叫做
A.
会聚透镜
B.
发散透镜
C.
折射透镜
D.
反射透镜
【简答题】A dairy farmer has two milk pails, M and P. Milk pail M is 1/3 full. How much milk is in P relative to M? (1) If M is poured into P, P will be full. (2) Milk pail P is smaller than M.
【简答题】penicillin has been found in the milk of 8 cows.
【单选题】—Do you like milk? —Yes, and I prefer milk _____ has some sugar. [     ]
A.
with
B.
to
C.
than
D.
of
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