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【单选题】
他养成了大量阅读的习惯,因而在头脑储存了很多有价值的信息。A.
He formed the habit of reading a great deal. Thus storing his mind with much valuable information.
B.
He formed the habit of reading a great deal, thus in his mind store much valuable information.
C.
He formed the habit of reading a great deal, thus storing his mind with much valuable information.
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【单选题】用研磨工具和研磨剂从工件上研去一层极薄表面层的精加工方法,称为研磨。研磨剂的种类很多,下面四个答案中属于铬刚玉代号的是( )。
A.
A
B.
WA
C.
PA
D.
SA