Question

It is such a modem machine ____few of the workers know how to operate it

1. A.
   which
2. B.
   that
3. C.
   as
4. D.
   the one

Answer 1

B
考查定语从句。such修饰先行词时，定语从句引导词用that或as。当从句不缺少成分时，用that，从句缺少成分时，用as作主语或宾语。句意“它是一台如此时新的机器，以至于这些工人中几乎没有人会操作它。”从句不缺少成分，用that。故选B。