H．ad I known about this computer program, a huge amount of time and energy .

A．would have been saved

B．had been saved

C．will be saved

D．was saved

[单选题]H．ad I known about this computer program, a huge amount of time and energy .A．would have been savedB．had been savedC．will be savedD．was saved

[单选题]If I had known you weren’t coming. I ____ a cake.A． would not bake B did not bake C will not have baked D would not have baked

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[单选题]It is essential that the program ____________ be loaded into computer.A.sho

[单选题]I had neithertime nor [inclination] to hear about the afflicted cow.A.energ

[单选题]What is known about the influenza virus?A． It was first found in a group of very old birds.B． All the different strains can be found in wild birds.C． It existed over 100 million years ago.D． It can survive in many different places.

[单选题]B．Perhaps you have known a lot about the Internet．But what is it，do you know? The Inter-net is a network． It uses the telephone to join millions of computers together around the world．Maybe that doesn't sound very interesting． But when you're joine

[单选题]( ) is permanently stored in the computer and provides a link between the h

[单选题]根据以下材料，回答题I had always known that the Chinese NewYear was different from ou

[单选题]根据以下材料，回答题I had always known that the Chinese NewYear was different from ou