【判断题】若函数 在点 处极限存在,则 在点 处的函数值一定存在。
【简答题】.No sooner ______ he arrived home than he ______ to start on another journey. a. has/was asked b. have/were asked c. had/is asked d. had/was asked
【单选题】Not until the game had begun __ at the sports ground
A.
should he have arrived
【单选题】“站有站相,坐有坐相”说明我们的先人很早就对人的()作了要求。
【单选题】A person feels a little green means______.
A.
he has a sick feeling stomach
B.
he does not have something as nice as a friend has
D.
a day in which everything goes wrong
【单选题】He was very busy yesterday; otherwise, he_____to the meeting.