In order to be successful as an engineer ,she had to become ___at mathematics.A.proficient B.outstanding C.prominent D.experienced

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In order to be successful as an engineer ,she had to become ___at mathematics.A.proficient B.outstanding C.prominent D.experienced
In order to be successful as an engineer ,she had to become ___at mathematics.
A.proficient B.outstanding C.prominent
D.experienced

In order to be successful as an engineer ,she had to become ___at mathematics.A.proficient B.outstanding C.prominent D.experienced
proficient 熟练的,精通的 常用be proficient at/in doing
outstanding 突出的,显著的
prominent 突起的,显眼的,著名的
experienced 有经验的
所以选A

adj. 精通的,擅长的in/at
· She is proficient in English.
她精通英文。
· He is proficient at repartee.
他擅长于机敏应答。

A
proficient
[prE5fiFEnt]
n.
精通

同意选a

a