Had they not been working so hard,they______(not achieve)so much.
第1题:
A. be
B. being
C. is
D. are
第2题:
22. It’ s almost impossible for ________ few people to do _________much work in________ a short time.
A.so; so; so
B.so; so; such
C. such; such; such
D. such; such; so
第3题:
对于反应2SO2+O2⇌2SO3,2体积SO2和足量O2反应,必定生成2体积SO3
第4题:
A.TCP_NODELAY
B.SO_NOBROADCAST
C.SO_TXBUF
D.IPTOS_LOWDELAY
E.SO_KEEPALIVE
第5题:
以下哪个选项设定Socket的接收数据时的等待超时时间?
A.SO_LINGER
B.SO_RCVBUF
C.SO_KEEPALIVE
D.SO_TIMEOUT
第6题:
对于反应2SO2+O2==2SO3,SO2的膨胀因子等于 。