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【多选题】
在果实生产中，喷施下列哪些植物生长调节剂可以促进果树花芽分化。A.
乙烯利
B.
生根剂
C.
PBO
D.
矮
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举一反三
【单选题】关于尿液的浓缩和稀释 错误 的是
A.
形成髓质渗透压的主要环节是髓袢升支粗段对 NaCl 的主动重吸收和尿素的再循环
B.
肾髓质 渗透压梯度的维持有赖于直小血管的逆流交换作用
C.
集合管上皮细胞对水的通透性是可以调节的，从而对浓缩和稀释起调节作用
D.
当集合管通透性增高时，尿液被稀释；反之，通透性降低时尿液被浓缩
【简答题】根据短文内容及首字母提示用恰当的单词补全 短文。 Today many people don't want to help others because they don't want to get into 1 . t . But some people are very kind and want to 2. h o thers. They will try to help others wh...
【单选题】听力原文：M: Good morning. I've come to see you about making a will. I've been told that if I died suddenly, my wife would have a lot of problem. W: Sure, sir. Now do you want to leave everything to your w...
A.
She is a banker.
B.
She is a doctor.
C.
She is a lawyer.
【单选题】听力原文：M: Hi, Wendy. What are you doing for summer break? W: (7/8) I would like to Italy and work at a restaurant in Florence. My uncle owns a restaurant and he will offer me a job for the summer. M: Th...
A.
How to have fun in summer.
B.
How to make money during summer break.
C.
How to keep the family business during summer break.
D.
Tentative plans for summer break.
【单选题】听力原文：W. Welcome to visit our city, Mr. Laurence, but, of course, you have been here before, haven't you? M: Yes, I have, what a good memory you have, Cecilia! I was here for the Arts Festival last yea...
A.
To vacation.
B.
To visit friends.
C.
To give concerts.
D.
To give private lessons.
【单选题】手动改变带导航系统车辆上的鼓风机转速是通过如下方式实现的:
A.
选择 A/C 按钮,然后将风扇转速设定到期望值
B.
选择双按钮,然后将风扇转速设定到期望值。
C.
选择 AUTO 按钮,然后将风扇转速设定到期望值。
D.
选择“AUTO”按钮,然后,按起或按下驾驶员侧温度按钮。
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