（）heavy commitments, we cannot accept any fresh orders.
第1题：
We can infer from this passage that______.
A. people cannot sent visible information until 19th century
B. we cannot communicate without sound
C. the ways of communication are similar in different countries
D. in ancient time, enough people is necessary to send messages over distance
55．答案为D 通过阅读前三段可知古代的信息需要足够的人手来依次传递才有可能传送到很远的距离。
第2题：
We cannot expect him to continue these activities under such ( ) circumstances.
A、favorate
B、unfavorable
C、favorable
D、unfavorably
第3题：
49Since our chief business with them is to enable them to share in a common life we cannot help considering whether or no we are forming the powers which will secure this ability.
第4题：
We must stress that this offer is firm for three days only because of the heavy demand () the limited supplies of this velvet in stock.
A、for
B、on
C、of
D、in
第5题：
We cannot agree to your ()the damage to rough handling in transit
A、attributing
B、attibuted
C、attibute
D、attribution
第6题：
We can conclude from this passage that camels ______.
A. feel at home in the desert
B. like to carry heavy loads
C. look like ships from a distance
D. will always be useful
第7题：
_________the heavy rain, we stayed at home.
A: But for
B: Due to
C: Owing to
D: As to
第8题：
We cannot ignore the__________ of noise on people in the factories.
A． effect
B． result
C． volume
D． fact
第9题：
We cannot trim anything () the price.
A、down
B、off
C、in
D、out
第10题：
Unfortunately we cannot accept your offer. Your prices are ().
A、up-to-roof
B、countless
C、prohibitive
D、more high