A. must
B. seemed to
C. needn't
D. should
[单选题]Farmers use water in many ways.______, they use water to grow crops.A.In fa
[单选题]Farmers use water in many ways. ________, they use water to grow crops.A.In
[单选题]When the order () is received from the bridge, the main air stop valve in the starting air line should be shut.A . stand-by engineB . full aheadC . finished with engineD . full away
[单选题]When the water produced from most evaporator is supplied for drinking purpose, it must be treated to ensure it is biologically pure and _____.A.slightly acidicB.slightly alkalineC.no saltyD.slightly bitter
[单选题]第三部分:词汇与语法Farmers use water in many ways.______, they use water to grow cro
[单选题]_______can cause oil flow from water outlet of the oil purifier.A.Oil inlet valve opening too quicklyB.Oil temperature little higher than normalC.Diameter of gravity disc too smallD.Viscosity of oil little lower than normal
[单选题]Changing from solid to liquid, water takes in heat from all substances near
[试题]语句“USE master GO SELECT * FROM sysfiles GO”包括()个批处理。A.1B.2C.3D.4
[单选题]We can use energy from the sun because ______.
[主观题]Use regex to remove all html tags from a file.