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【单选题】
移动( Move)命令的操作步骤是( )。A.
对象→位移至（新位置）
B.
选择对象→基点（原来位置）→位移至（新位置）
C.
选择对象→基点（新位置）→位移
D.
基点（原来位置）→选择对象→位移至（新位置）
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举一反三
【单选题】血液中有一种含铜的呈蓝色的蛋白质分子，其相对分子质量约为151000。已知该分子中铜的质量分数为0. 34%，则平均每个蛋白质分子中的铜原子数为 [ ]
A.
8
B.
6
C.
4
D.
2
【简答题】After the war,a new school building was put up ________there had once been a theater. 2. It was once a time________I had no interest in study and wanted to drop out of school. 3. ________________(educ...
【简答题】I wish I had more best friends! A. strongly agree B. agree C. neutral D. disagree E. strongly disagree
【简答题】单句语法填空 1. After the war , a new school building was put up ________there had once been a theater . 2. It was once a time________I had no interest in study and wanted to drop out of school. 3. ________...
【简答题】Complete the following sentences
with the words below . Change the word forms if necessary. 1. I wish I had a more confident
____________. 2. Her
appearance had left on me an impression of high-born...
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