【单选题】下列有关细胞周期的描述错误的是( )?
A.
在哺乳动物和人等高等生物,细胞周期可首先分为分裂期和分裂间期两个基本的部分
B.
M期持续时间很长,占据了细胞周期的95%以上的时间
C.
根据DNA合成的情况,细胞间期可进一步划分为三个时期:G1期、S期和G2期
【单选题】You shouldn't () your time like that, Bob; you have to finish your school work tonight.
【判断题】You will fail the exam if you don ’ t work hard.
【单选题】The world is ______ t o everyone. Only when you work hard can you get what you want .
【多选题】有关银屑病描述哪项不正确( )
A.
寻常型银屑病进行期应用刺激性较强的外用药物治疗
B.
强的松是红皮病型、脓疱型、关节病型银屑病的首选适用药
【简答题】When did you begin t o work on board? What kind of ship have you worked on?