A. has introduced
B. is being introduced
C. is introduced
D. was introduced
[单选题]There are more forces accelerating the progress of science than retarding i
[单选题]It can beconcluded that science education has reached a new [phase] of deve
[单选题]It can beconcluded that science education has reached a new [phase] of deve
[试题]Scienceandtechnologyhave___inimportantwaystotheimprovementofagriculturalproduction.A)attachedB)assistedC)contributedD)witnessed
[主观题]Scienceandtechnologyhave___inimportantwaystotheimprovementofagriculturalproduction.A)attachedB)assistedC)contributedD)witnessed
[单选题]Withthedevelopmentinscienceandtechnologymancanmakevariousflowers____________beforetheirtime.A)bebloomedB)bloomC)bloomedD)blooming
[主观题]Scienceandtechnologyhaveinimportantwaystotheimprovementofagriculturalproduction.A)witnessedB)assistedC)attachedD)contributed
[单选题]Scienceandtechnologyhave___inimportantwaystotheimprovementofagriculturalproduction.A)attachedB)assistedC)contributedD)witnessed
More and more kids are becoming _____ in it.A. interestB. interestedC. interesti
[试题]______(increase),new technology is making it easier for us to find alternative methods of testing.