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【单选题】
在组织培养中,再生苗培养基中添加的两种植物激素是A.
细胞分裂素和赤霉素
B.
生长素和乙烯
C.
细胞分裂素和生长素
D.
脱落酸和生长素
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举一反三
【简答题】阅读理解。 My parents taught me not to waste food. My mom always found ways to make leftovers (剩 余食物) taste good. I went to Ilan to learn about some of their special foods. As I was the re, I learned about...
【简答题】阅读短文，选择正确答案。 My parents taught me not to waste food. My mum always found ways to make leftovers (剩余食物) taste good. I went to Iran to learn about some of their special food. As I was three, I learned a...
【单选题】My parents, without ______ help I wouldn’t have become who I am, have taught me the true meaning of life.
A.
whom
B.
their
C.
whose
D.
them
【简答题】如何检查发动机机油液位?
【多选题】自动变速器油液检查前需要进行热车,应该如何操作?
A.
起动发动机，无负载（在 P 或 N 位置）时，将发动机转速保持为 3,000 rpm 直至散热器风扇运转，然后使其怠速运转。
B.
车辆停在水平路面上；
C.
将发动机转速保持为 3,000 rpm 直至散热器风扇运转，然后使其怠速运转。 • 踩住制动踏板，操作换挡手柄在每个档位运行； • 每个档位停留 3 秒钟；
D.
关闭点火开关等待 3 分钟。
【单选题】如何更换发动机润滑油及机油滤清器? (1) 举升车量至合适位置并使用扳手拧松放油螺栓,将润滑油放入机油回收桶 ( 2 )安装新的机油滤清器,安装放油螺栓并紧固 ( 3 )打开机油加注口,拔下机油尺,擦拭后放入备件车 ( 4 )使用机滤扳手拧下机油滤清器 ( 5 )降下车辆,加注发动机润滑油并使用机油尺检查液面
A.
3-1-4-2-5
B.
3-1-4-2-5
C.
3-1-2-4-5
D.
3-1-5-2-1
【简答题】完形填空 When I was a young child , my parents often told me that it was time that taught a man everything. I didn’t understand and wondered why __ 1 __ had such a big influence __ 2 __ a person....
【简答题】My parents taught me not to waste food. My mum always found ways to make leftovers（剩余食物） taste good. I went to YiLan to learn about some of their special food. As I was there, I learned about the food...
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