在双因素方差分析中,如果交互作用是显著的,则表明一个因素对因变量的影响受另一个因素取值的影响。
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Directions: Choose the best answer from the four choices marked A, B, C and D.It's a pity the two concerts (); I wanted to go to both of them.
A. clash
B. crash
C. crush
D. collide
John's black eyes () rumors that he had been in a fierce fight.
A. contributed to
B. came to
C. gave rise to
D. attributed to
The () of the system of regional autonomy for ethnic minorities has undergone long periods of exploration and practice.
A. foundation
B. settlement
C. setting
D. establishment
The company's () to providing quality at a reasonable price has been vital to its success.
A. promise
B. agreement
C. consent
D. commitment