At times the balance in nature is ______，resulting in a number of possibly unforeseen effects.
#20601
A
troubled
B
confused
C
disturbed
D
puzzled
推荐题目
My brother likes eating very much but he isn't very ___ about the food he eats.
#20785
A
special
B
peculiar
C
particular
D
unusual
I’m afraid I’m not _____ to help with the show next week.
#19296
A
available
B
dependable
C
valuable
D
convenient
—The guard keeps watch at the gate.—So he does. Only those knows well could be let in.
#19783
A
close; who
B
tight; whom
C
tight; that
D
close; he
Many moving stories of that time remain______ in people’s heart to this day.
#20435
A
deeply
B
strongly
C
strong
D
deep
Much to our grief, the victims injured or killed in the terrible earthquake have reached _______ 10,000.
#19227
A
as many as
B
as far as
C
as much as
D
as long as