【单选题】What is a good telephone voice like?
B.
It has variety in its expression and tone.
C.
It pronounces words clearly and carefully.
【简答题】基因定位诱变的主要方法有哪几种,它们的原理是什么?
【单选题】What is a good telephone voice like?
B.
It has variety in its expression and tone.
C.
It pronounces words clearly and carefully.
【简答题】基因定位诱变的主要方法有哪几种?它们的原理是什么?
【简答题】I told him that the recital wan for current pupils and because he ________(drop) out he really did not qualify.