The technological advances of the twentieth century have been brought about an alarming reduction of our natural resources.
A.for the price of |
B.in favor of |
C.in place of |
D.at the expense of |
New digital mobile phones definitely produce less radiation, but that doesn’t mean that they should be used without caution.
A.generally |
B.ultimately |
C.relatively |
D.necessarily |
If you tend to regularly suffer from a certain symptom like headache, be sure to keep in store the
medicine to take care of the issue as soon as it starts.
A.efficient |
B.concise |
C.appropriate |
D.secure |
Philosophical problems arise when people ask questions that, though very , have certain characteristics in common.
A.diverse |
B.relevant |
C.abstract |
D.consistent |
The College Entrance Examination is around the corner, but we should strike a
between study and relaxation.
A.association |
B.balance |
C.compromise |
D.obstacle |
In modern society people have to pass various test for professional so that they can be qualified for a good job.
A.standards |
B.perseverance |
C.certificates |
D.permission |