【单选题】【消耗次数：1】
One can’t learn a language well, ________ he works hard.
①
if
②
and
③
unless
④
because
参考答案：
复制
纠错
相关题目
【判断题】
____Unless_____ they can get people in the organization to do what must he done， they will not succeed.
①
正确
②
错误
【单选题】
He won’t____ to bring me my umbrella unless I tell him again.
①
forget
②
remind
③
remember
④
realize
【单选题】
People at the party worried about him, because no one was aware ______ he had gone.
①
of where
②
of the place where
③
where
④
the place
【单选题】
That young boy couldn’t move because he _______ his leg.
①
breaks
②
broke
③
had broken
【单选题】
People at the party worried about him, because no one was aware____ he had gone.
①
of where
②
of the place where
③
where
④
the place
【单选题】
The bosses give them low wages, because it is expected that you will ( ). If you don’t, the service person can’t earn a living.
①
make up the different
②
make up the difference
③
make out the difference
④
make out the different
【判断题】
判断线上的内容是否正确：____Unless_____ they can get people in the organization to do what must he done， they will not succeed.
①
正确
②
错误
随机题目
【简答题】
汽车空调系统按其功能可分为[填空]、采暖系统、通风系统、控制操纵系统和空气净化系统
【简答题】
制冷是空调系统的最[填空]，也是汽车装配空调的目的。
【简答题】
[填空]是汽车空调系统的核心部件。