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【判断题】
光电效应是吸收光子的过程，而康普顿效应则相当和电子的弹性碰撞过程。
A.
正确
B.
错误
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举一反三
【单选题】Could you tell me _____？
A.
where can I get to the library
B.
where I can get to the library
C.
how can I get to the library
D.
how I can get to the library
查看完整题目与答案
【单选题】In determining a safe speed () shall not be among those taken into account
A.
the presence of the background light at night
B.
the state of wind，sea and current
C.
the number of crew on board
D.
the draught in relation to the available depth of water
查看完整题目与答案
【单选题】材料题请点击右侧查看材料问题 查看材料
A.
The high speed of the car.
B.
The distracted driving.
C.
The blurred line of sight.
D.
The poor performance of the car.
查看完整题目与答案
【多选题】有关 Western blot , 叙述正确的是()
A.
Western blot 测定的对象是蛋白质或多肽分子，应用到的技术： SDS-PAGE 、转移电泳、酶联免疫技术；
B.
Western blot 利用免疫反应的特异性，在鉴定多肽因子类药物时不需要极纯的标准品做对照；
C.
将 SDS-PAGE 电泳换成等电聚焦电泳，其他程序不变，是 Eastern blot 法，也是一种蛋白质免疫印迹方法；
D.
转移电泳用到硝酸纤维素纸。
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【单选题】According to the passage, the speed with which tryptophan is provided to the brain cells of a rat varies with the
A.
amount of protein present in a meal.
B.
concentration of serotonin in the brain before a meal.
C.
concentration of leucine in the blood rather than on the concentration of tyrosine in the blood after a meal.
D.
concentration of tryptophan in the brain before a meal.
E.
number of serotonin-containing neurons present in the brain before a meal.
查看完整题目与答案
【判断题】Western印迹转移技术是将PAGE分离后的蛋白质片段,通过电转移作用等转移硝酸纤维薄膜上,并通过抗原-抗体反应进行分析的技术。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The car ______ at the present speed until it reaches the foot of the mountain at about 4 o' clock this afternoon.
A.
has gone
B.
has not gone
C.
will be going
D.
has been going
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【多选题】在()样的环境中，配置小区的属性为高速小区?
A.
dense urban
B.
move in open area at the speed of 120km/h
C.
near shopping mall
D.
near high speed railway
查看完整题目与答案
【简答题】Passage Two Questions 6 to 10 are based on the following passage. There is no doubt that s , and even highly educated s , vary greatly in the speed and efficiency of their reading. Some proc...
查看完整题目与答案
【单选题】1995年发生的国债期货风波,涉及的国债期货合约代号是()
A.
312
B.
380
C.
327
D.
395
查看完整题目与答案
相关题目：
【单选题】Could you tell me _____？
A.
where can I get to the library
B.
where I can get to the library
C.
how can I get to the library
D.
how I can get to the library
查看完整题目与答案
【单选题】In determining a safe speed () shall not be among those taken into account
A.
the presence of the background light at night
B.
the state of wind，sea and current
C.
the number of crew on board
D.
the draught in relation to the available depth of water
查看完整题目与答案
【单选题】材料题请点击右侧查看材料问题 查看材料
A.
The high speed of the car.
B.
The distracted driving.
C.
The blurred line of sight.
D.
The poor performance of the car.
查看完整题目与答案
【多选题】有关 Western blot , 叙述正确的是()
A.
Western blot 测定的对象是蛋白质或多肽分子，应用到的技术： SDS-PAGE 、转移电泳、酶联免疫技术；
B.
Western blot 利用免疫反应的特异性，在鉴定多肽因子类药物时不需要极纯的标准品做对照；
C.
将 SDS-PAGE 电泳换成等电聚焦电泳，其他程序不变，是 Eastern blot 法，也是一种蛋白质免疫印迹方法；
D.
转移电泳用到硝酸纤维素纸。
查看完整题目与答案
【单选题】According to the passage, the speed with which tryptophan is provided to the brain cells of a rat varies with the
A.
amount of protein present in a meal.
B.
concentration of serotonin in the brain before a meal.
C.
concentration of leucine in the blood rather than on the concentration of tyrosine in the blood after a meal.
D.
concentration of tryptophan in the brain before a meal.
E.
number of serotonin-containing neurons present in the brain before a meal.
查看完整题目与答案
【判断题】Western印迹转移技术是将PAGE分离后的蛋白质片段,通过电转移作用等转移硝酸纤维薄膜上,并通过抗原-抗体反应进行分析的技术。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The car ______ at the present speed until it reaches the foot of the mountain at about 4 o' clock this afternoon.
A.
has gone
B.
has not gone
C.
will be going
D.
has been going
查看完整题目与答案
【多选题】在()样的环境中，配置小区的属性为高速小区?
A.
dense urban
B.
move in open area at the speed of 120km/h
C.
near shopping mall
D.
near high speed railway
查看完整题目与答案
【简答题】Passage Two Questions 6 to 10 are based on the following passage. There is no doubt that s , and even highly educated s , vary greatly in the speed and efficiency of their reading. Some proc...
查看完整题目与答案
【单选题】1995年发生的国债期货风波,涉及的国债期货合约代号是()
A.
312
B.
380
C.
327
D.
395
查看完整题目与答案