Although his experiments were designed to support the ideas       the influence of environment upon plants, Mendel found that many characteristics were passed on from one generation to the next.
#76486
A
concerning
B
attaching to
C
involving in
D
concerning with
推荐题目
 --- ________ the stone in the way. ----- Oh, thank you for reminding me.
#82849
A
Pick out
B
Take on
C
Look out for
D
Watch out
 _______ , athletes from all over the world compete _______ the Olympic Games _______ the honor of winning. 
#64570
A
Every fourth year; in; for
B
Every four year; in; for
C
Every fourth years; against; in
D
Every four years; for; in
People demanded that the government     to bring down the housing price
#75264
A
take action
B
took action
C
must take action
D
would take action