All the doctors in the hospitals insisted that he______ badly wounded and that he ______ at once.
A. was; be operated on
B. should be; be operated on
C. were; must be operated on
D. was; should be operated
VLOOKUP函数的第三个参数代表的是()
A. 要查找的值
B. 返回值的列编号
C. 查找区域
D. 精确或模糊匹配
This course______ to help to improve their vocational skills.
A. design
B. to design
C. is designed
D. designing
“古者，名以正体，字以表德。”出自（）。
A. 《颜氏家训》
B. 《论语》
C. 《礼记》
D. 《周礼》
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