题目
Metals expand when they are heated and _______ when cooled.
A、indicate
B、eliminate
C、conquer
D、contract
第2题
Each cylinder liner on the marine medium speed engines _____.
A.is usually cooled by sea water
B.can be replaced when worn out
C.is in direct contact with the water in the bore of the cylinder
D.can t expand when heated
第3题
第4题
第7题
A.contract
B.compress
C.reduce
D.contrast
第8题
A. Open Event Viewer and expand the application log. Select New Log View.
B. Open Computer Management and expand Storage. Right-clickDisk Management, and then select Rescan Disks.
C. Open Performance and expand Performance Logs and Alerts. Right-click Counter Logs, and then select New Log Settings.
D. Open Performance and expand Performance Logs and Alerts. Right-click Alerts, and then select New Alert Settings.
第10题
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