Closed-ring contours indicate that the ground within the ring is ( ).
A: lower
B: higher
C: equal
D: either A orB
A: lower
B: higher
C: equal
D: either A orB
D
举一反三
- Helen gave her daughter （） A: a ring B: to a ring C: for a ring D: with a ring
- Ignoring the__________ ring, she put the chicken in the oven and closed the door.
- The Ring of the Nibelung is generally known as the Ring or the Ring Cycle.
- A ring homomophism f from a ring R onto another ring S is an isomophism if and only if kerf=0.( )
- The compressive strength of brittle materials is generally （ ） than its tensile strength.。 A: higher B: equal C: lower
内容
- 0
Jack<br/>was reading a book when the phone ____. A: ringing B: ring C: rang D: was ringing E: was ring
- 1
A series of ( ) contours indicates either a ( ), or a ( ) without an outlet.
- 2
While watching television, _______. A: the doorbell rang B: we heard the doorbell ring C: there was someone knocking at the door D: the doorbell was ring
- 3
Small population may mean ______. A: higher productlvity, but a lower average income B: lower productivity, but a higher average income C: lower productivity and a lower average income D: higher productivity and a higher average income
- 4
In The Fellowship of the Ring, Frodo Baggins inherits the One Ring from Bilbo Baggins, his cousin and guardian.