【单选题】人类白化病患者缺乏黑色素,苯丙酮尿症患者尿液中含苯丙酮酸,下图表示在人体内与这两类疾病相关的代谢过程。据图判断不正确的是( )
A.
基因可以通过控制蛋白质的结构来控制生物的性状
B.
基因 1 与基因 2 突变均可能导致人体患白化病
D.
一个基因可影响多个性状,一个性状也可受多个基因控制
【单选题】普通螺栓受横向工作载荷时,主要靠_________来承担横向载荷。
【单选题】沥青延度试验时,拉伸速度控制在()cm±0.25cm/min。
【单选题】M: How did you like yesterday's play? W: Generally speaking, it was quite good. The part of secretary was played wonderfully, but I think the man, who played the boss was too dramatic to be realistic....
A.
He played his part quite well.
B.
He was not dramatic enough.
C.
He performed better than the secretary.
D.
He exaggerated his part.
【单选题】听力原文:W:How did you like the performance? M:Generally speaking,it was very good.The part of the maid was played beautifully,but I thought the man who played the lawyer was too dramatic to be realistic....
A.
The lawyer was realistic.
B.
The lawyer was not dramatic enough.
C.
The lawyer played in his part well.
D.
The lawyer was unrealistic.
【简答题】例:A:サンプルを見せてください。 B:はい。すぐ( お見せします )。 A:早く荷物を届けてください。 B: はい、すぐ( )。
【单选题】(47461)60kg/m 钢轨头宽度为() mm 。