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【单选题】
听力原文:W: Good morning, sir. Can I help you? M: Yes. Can I check out now? I'm leaving an hour later. My name is George Brown and my Room Number is 2009. Q: Where does this conversation most probably take place? (3)
A.
At an airport.
B.
At a railway station.
C.
In a hotel.
D.
In a library.
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参考答案:
举一反三
【单选题】下列关于生长素的叙述,正确的是
A.
用适宜浓度的生长素溶液处理番茄的花就能得到无子番茄
B.
在太空中生长素不能进行极性运输,根失去了向地生长的特性
C.
植物的向光性现象说明生长素的生理作用具有两重性
D.
不同浓度的生长素溶液促进根生长的效果可能相同
【单选题】the outside size of your luggage is no more than __cm.
A.
170
B.
160
C.
150
D.
140
【简答题】Although there is no sharp boundary that defines the outside of an atom or ion, we can think of the size of the atom as the volume containing about 90% of the total electron density around the nucleus...
【单选题】下列关于生长素的叙述,不正确的是()
A.
果实发育所需的生长素主要来自顶芽
B.
同一浓度的生长素对不同器官的影响不同
C.
顶芽和幼茎中生长素浓度一般保持在促进生长的范围
D.
顶端优势现象说明生长素的生理作用具有两重性
【多选题】S7-200 SMART PLC定时器的种类有()
A.
接通延时定时器
B.
断开延时定时器
C.
保持型接通延时定时器
D.
启动间隔定时器
【单选题】The outside size of passenger’s luggage is no more than( ) cm, which is the sum of the length,width and height.
A.
100
B.
130
C.
160
D.
190
【单选题】The outside size of passenger's luggage is no more than cm, which is the sum of the length, width and height.
A.
100
B.
120
C.
140
D.
160
【单选题】The outside size of passenger’s luggage is no more than( ) cm, which is the sum of the length,width and heigh
A.
100
B.
130
C.
160
D.
190
【单选题】下列有关生长素的叙述,正确的是 ( )
A.
缺乏氧气会影响植物体内生长素的极性运输
B.
细胞成熟情况不会影响生长素作用的发挥
C.
植物向光生长能说明生长素作用的两重
D.
生长素运送到作用部位对代谢起催化作用
【单选题】损伤后导致面瘫的脑神经是( )
A.
动眼神经
B.
舌下神经
C.
面神经
D.
三叉神经
E.
展神经
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