【单选题】The users are in urgent()of the machine contracted.
【简答题】A.All software packages are made by the same software company. B.The users are familiar with all kinds of software packages. C.There are some standards to which all software writers adhere. D.There is...
【单选题】It is implied in the passage that______.
A.
the users are satisfied with the Segway
B.
the Segway is most suitable for the police
C.
the result of the Segway test is not yet known
D.
sale of the Segway may not be as good as expected
【简答题】人体触电后会出现 、 、 、 等征象,表面上呈现 状态,此时并不是死亡,而是 。