关于结核杆菌的抵抗力正确的是
A. 耐热
B. 对紫外线敏感
C. 对酸、碱敏感
D. 对染料敏感
E. 不易产生耐药性
It is the ablility to do the job_____matters, not where you come from or what you are.
A. one
B. that
C. what
D. it
Was it at five o'clock ____the fire broke out?
A. when
B. that
C. which
D. in which
It was last year____ you taught me how to play the piano.
A. when
B. that
C. where
D. which