First draw a line the middle of the page. Then write a word in the space above the line
A. across 13. over C. between D. within
A. across 13. over C. between D. within
We can draw a conclusion from the first paragraph that ______.
A.computer industry used to be led by the chief executive officer of IBM
B.people then underestimated the value of computers
C.humans are limited to making any predictions
D.in 1950 computer industry developed into a business applied almost in every aspect of American lives
A.to produce
B.producing
C.produced
D.having produced
The first rule of camping is to keep a clean camp site, so let’s tidy ______ up.
A: them
B: her
C: it
D: him
According to the passage, Adam Smith was the first person to ______.
A.take advantage of the physical labor
B.introduce the division of labor into England
C.understand the effects of the division of labor
D.explain the bad causes of the division of labor
The author is inclined to think that a fifth level ______.
A.would be little better than the fourth level
B.may be a lot more desirable than the first level
C.can be the last and most satisfying level
D.will become attainable if the government takes action