One way to ________ species under threat of extinction—whatever the cause—is to remove them to zoos or parks and feed them there.
#10720
A
betray
B
resist
C
preserve
D
abandon
推荐题目
She ______ each of the children _______ a piece of cake.
#13829
A
treat; of
B
treated; with
C
treated; to
D
treated; as
Before we end this program, let's take a at the sports news briefly．
#11242
A
glare
B
glance '
C
stare
D
watch
If we ________ this speed, we will finish the task ahead of time.
#11114
A
hold up
B
break up
C
keep up
D
take up
My father served in the army in when he was in .
#14372
A
1950s; twenties
B
the 1950s; his twenties
C
the 1950s; the twenties
D
1950s; the twenties
Some students think it is ___ to spend some time surfing the Internet, but we shouldn’t be too dependent on it.
#13817
A
worth
B
worthwhile
C
worthy
D
worthy of