新疆棉花优良品种应具备的条件,下面正确的是()。
A、中熟、优质、稳产、多抗
B、早熟、优质、稳产、多抗
C、早熟、优质、高产、多抗
D、早熟、优质、稳产、高效
参考答案:B
The policemen had no ______ in finding the knife that the murderer had thrown.
A.difficulty
B.troubles
C.problems
D.question
晨起症状重,稍活动则症减,但活动稍欠,尤其疲劳后,症状加重的疾病是
A.急性腰肌扭伤
B.慢性腰肌劳损
C.退行性脊柱炎
D.腰椎间盘突出症
E.腰椎骨错缝