Finding in-formation in today's world is easy. The _____ is how you can tell if the in-formation you get is useful or not.
| A．ability |
| B．competition |
| C．challenge |
| D．knowledge |
相关试题
The house caught___fire last night but no one knows who set ___fire to it.
A. X；X B.X;a C, a; a D, a; X
The humans are destroying nature day by day,__________of course,will cause severe punishment from it sooner or later.
| A．who | B．when |
C．on which | D．Which |
.The final examination is coming up soon. It's time for us to ____our studies.
A, get down to B, get our C, get back for D, get over
---What do you think of the book?
---Oh,excellent. It's worth____a second time.
A. to read B.to be read
C, reading D,being read
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