【单选题】如果慢跑时的 METs 为 7.0 ,则此时耗氧量的相对值为( )
【单选题】下列关于花药培养过程中的注意事项,正确的是 [ ]
C.
花药培养成幼苗的过程中,除了适宜的温度、pH等,还需要注意光照
D.
一般地讲,材料选用单核期的花药培养成功率较高
【单选题】The groups that don't want us to eat any animals at all are so radical and off-the-wall that we don't even worry about them.
【单选题】I will be off on business next month. If you write letters and E-mails to me, please _____ all th
A.
2. I will be off on business next month. If you write letters and E-mails to me, please _____ all the mails to Mr. Zhang. A.send
【多选题】下列关于月季花药培养过程中注意事项的叙述,不正确的是( )
C.
花药培养成愈伤组织的过程中,除了适宜的温度、pH等,还要注意照光
D.
一般地讲,材料选在单核期时花药培养成功率较高
【判断题】计划的表现形式有:目的或使命、目标、战略、政策、组织、领导、策略、程序、规划、预算。