【单选题】在这样一个科技昌明的时代,人们很容易把科学的作用放大到无穷,以致认为科学无所不能,认为科学是这个世界所有问题唯一解决的方案,科学成为包治百病的灵丹妙药,成为一个无所不能的标签,一个无所不含的形容词。这段文字的意思是在强调:
【单选题】The_______is a crystal which, under pressure, produces an electric current which varies with the pressure
D.
piezoelectric pressure transducer
【简答题】计算机是高科技的产物,它无所不能,因此人们不必编制程序,计算机也会按人的要求工作。( )
【单选题】Public speaking is well known to the average people because ______.
A.
most of them have been trained as public speakers
B.
such activities are prevalent in the society
C.
most of them have to do it when they study at college
D.
the passage does not mention the reason
【单选题】Under current circumstances, people in the country do the following EXCEPT______.
A.
put savings into tangible assets
C.
plant maize in the back yard
【单选题】Which type of current is dominant for a pn junction under reverse bias?
【单选题】在一个函数中,要求通过函数来实现一种不太复杂的功能,并且要求加快执行速度,选用()合适。
【单选题】希望小学要绘制一幅校园平面图,选用比例尺( ),画出的平面图最小。
【单选题】Under the current education system, the fate of students is decided by ______.
【单选题】在一个函数中,要求通过函数来实现一种不太复杂的功能,并且要求加快执行速度,选用( )合适。