下列物质中属于完全抗原的是()
A.青霉素
B.静脉麻醉药
C.低分子右旋糖酐
D.鱼精蛋白
E.肌松药
参考答案:D
— What do you think of your new colleagues?
— They are mostly very kind,but ______ is so good to me as John. [ ]
A. no one
B. none
C. every one
D. some one
职业生涯早期阶段存在的主要问题有()。
A.现实冲击
B.同事间竞争
C.老员工的偏见妒忌
D.难以得到上司信任