A．doubtB．placeC．favorD．charge
A. doubt
B. place
C. favor
D. charge
查看答案
Thousands of____at the stadium came to their feet to pay tribute to an outstanding performance.
A. audience
B. participants
C. spectatxbrs
D. observers
A．awayB．roundC．outD．down
A. away
B. round
C. out
D. down
A．promoteB．stopC．affectD．influence
A. promote
B. stop
C. affect
D. influence
With what does the mechanical age reach its highest point？
A. The steam engine.
B. Nuclear power production.
C. The combustion process.
D. The energy producing process of the sun.
微信支付 
支付宝支付