A、to speak
B、spoke
C、speak
D、speaking
第1题:
A、English和Engl_ish
B、English和ENGLISH
C、English和Engl
D、English和England
第2题:
______ it rain tomorrow moring, the loading ______.
A.Should / will be postponed
B.If / shall be postponed
C.Should / would be postponed
D.If / has to be postponed
第3题:
如果想要打印在文件 practice050120 中字段总个数不为 2 的记录,需要执行(A)命令。
A.awk ‘!(NF==2) {print}’practice050120
B.awk ‘!(FS==2) {print}’practice050120
C.awk ‘!(NR==2) {print}’practice050120
D.awk ‘!(OFS==2) {print} practice050120
第4题:
________ the vessel have no safety radiotelegraphy certificate at the time of her delivery,she ________ be held to be unseaworthy.
A.If/may
B.Will/shall
C.Should/would
D.Would/should
第5题:
第6题:
通过()命令即可执行脚本文件 practice060103。
A.../practice060103
B../practice060103
C.do practice060103
D./. practice060103