Jack is a _______(可靠的)friend of mine, who has given me constant support in my most difficult days.

Jack is a _______friend of mine, who has given me constant support in my most difficult days. A: reliable B: rely C: relying D: depend

constant

when a transistor is in the forward-active mode, the collector current is constant with a constant base current

The main philosophical teaching of Confucianism was reflected in the five constant virtues. The core of the five constant virtues is ___.

Given that the magnetic circuit of DC electromagnet. The voltage U is constant . How will the Magnetic flux [img=13x19]1803a2fab6cb10e.png[/img] change when the air gap length increases ( ).[img=455x406]1803a2fac3677ca.jpg[/img] A: increase B: decrease C: remain unchanged D: not sure

Given that the magnetic circuit of AC electromagnet. The voltage U is constant . How will the Magnetic flux [img=13x19]1803a2fa8f20802.png[/img] change when the air gap length increases ( ).[img=455x406]1803a2fa9d5f73f.jpg[/img] A: increase B: decrease C: remain unchanged D: not sure

If interest rates and risk factors are constant over a given period, then a fixed income bond trading at a discount will have a:（） A: positive current yield, only. B: negative current yield and a positive capital gain yield. C: positive current yield and a positive capital gain yield.

英译汉：a constant body temperature

The Arps’ decline equation is based on important and widely violated assumptions including constant BHP,unchanging drainage area, ________. A: constant conpressibility B: unchanging flow type C: constant k and s D: boundary dominated flow