【判断题】【消耗次数：1】
地球上的生态系统可分为陆地生态系统和海洋生态系统。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
Someone called me up in the middle of the night, but they hung up _____ I could answer the phone.
①
as
②
since
③
until
④
before
【单选题】
Is the hotel _____ offered you a job _____ you stayed the first time you arrived here?
①
which; where
②
the one; in which
③
where; that
④
the one that; which
【单选题】
—Have you heard about that fire in the market?—Yes, fortunately no one __________.
①
hurt
②
was hurt
③
has hurt
④
had been hurt
【单选题】
When I get to the top of the building, the sun [填空].
①
shine
②
shines
③
is shining
④
was shining
【单选题】
To answer correctly is more important than ____.
①
that you finish quickly
②
finishing quickly
③
to finish quickly
④
finish quickly