你可能感兴趣的试题
Im=πI Im= √2I Ie= √2Im Im=√2/2I
A. to recharge being recharged recharge recharging
A.to bring bring brings brought
A. twice as much as twice much much as twice as much twice
—You should buy _______. Sony is a good branD. A. this that one it
You know, I’m into photography. A. That What Whether How
—I think you should buy ______. It’s useful for you. A. this one that it
I=21/2Im I=21/2Im/2 I=2Im I=Im/2
A. less the most more the least
Im=√ 2I; Im=√2I/ 2; Im=I; Im=√ 3I。
—I think you should buy ______. It’s useful for you. A. this one that it
A. less the most more the least
I bought it ______ June 1, Children’s Day.—Wow, how nice! A. on in at for
It costs! A.must may can will
Im = 2I Im = 2I/2 Im =I Im = 3I。
Im=√2I Im=√2I/2 Im=I Im=√3I
11Im1-3Im2= 5 11Im1+3Im2=5 11Im1+3Im2=-5 11Im1-3Im2=-5