Which of the following underlined words and phrases are WRONGLY used?

Quite a few celebrities dress down in baggy clothes when shopping outside to avoid crazy admirers and paparazzi.

Rob dressed up in a hurry because his mom was waiting downstairs impatiently. They planned to climb the mountain.

After Mr. Black got dressed and had a good breakfast at home, he went to work on foot.

Mark Zuckerberg, the founder of Facebook, was found underdressed on some formal occasions, for example he once wore slippers in an interview.

三硝基甲苯作业工人与对照工人血清中IgA含量(g/L)

A．分组

B．例数

C．S

D．TNT作业组

E．100

F．1.05

G．对照组

H．102

I．1.10