My ______ of this weekend's activity is going out with some good friends.
A. idea
B. opinion
C. mind
D. thought
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E常小儿白细胞分类出现两次交叉的年龄为( )
A. 1~3天及1~3岁
B. 4~6天及4~6岁
C. 7~9天及7~8岁
D. 10~15天及8~9岁
E. 小于30天及9~14岁
-- ______ that he managed to get the information --Oh, through a friend of his.
A. Where
B. What was it
C. How was it
D. Why was it
剖切符号也称( ),由剖切位置线和剖视方向线所组成。
A. 剖切线
B. 剖切点
C. 剖切面
D. 剖切段
电气工程施工图根据表达形式和用途进行的不同分类中,( )是把成套装置、设备和装置中各组成部分和相应数据列成的表格。
A. 数据单
B. 设备元件表
C. 接线图或接线表
D. 程序图