题目
_____ machines have multiplied over the centuries, even the most up-to-date list must begin with simple machines.A. As B. Since C. After D. While
_____ machines have multiplied over the centuries, even the most up-to-date list must begin with simple machines.
A. As
B. Since
C. After
D. While
题目解答
答案
句意：随着机器在几个世纪里成倍增长，即使是最新的列表也必须从简单的机器开始。
考查连词辨析。A. As 当…时; 随着；由于
B. Since 因为，由于; 既然
C. After 在…以后
D. While 在…期间; 当…的时候
根据前后语境可知，此时表示“随着”。故选A项。