举一反三
- He was writing his ______ at the bottom of the page. A: signature B: sign C: signed D: Signing
- He was writing his ____________ at the bottom of the page. A: signature B: guess C: message D: recommendB.
- He<br/>was writing his ( ) at the bottom of the page. A: sign B: signature C: signing D: signed
- He was writing his ___________ at the bottom of the page.
- He was writing his_______ at the bottom of the page. A: signature B: guess C: actually
内容
- 0
He was writing his ___________ (sign) at the bottom of the page.
- 1
I was writing my _________(签名)at the bottom of the page.
- 2
A wire carries current in the plane of this paper toward the top of the page. The wire experiences a magnetic force toward the right edge of the page. The direction of the magnetic field causing this force is: A: in the plane of the page and toward the left edge. B: in the plane of the page and toward the bottom edge. C: upward out of the page. D: downward into the page.
- 3
He is asked to (short) __________ his report to one page.
- 4
An electron moves in the plane of this paper toward the top of the page. A magnetic field is also in the plane of the page and directed toward the right. What is the direction of the magnetic force on the electron? A: toward the top of the page B: toward the bottom of the page C: upward out of the page D: downward into the page