问题
选择题
The theory _____ correct immediately the experiment was completed.
A．turned in
B．turned out
C．turned over
D．turned to
答案
答案：B
考查turn短语的辨析。turn in上交 turn out 结果是，证明是；turn over把…翻过来 turn to救助，转向。根据意思，这个实验一完成，这个理论结果证明是正确的。