She usually gets up early, ______ she
A. [A] does
B. [B] is
C. [C] doesn't
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Don't speak to him. He ______ to the weather report.
A. [A] listens
B. [B] is listening
C. [C] has listened
当第一次打开窗体时,下述事件发生的顺序是( )。 ①Current ②Load ③Open ④Resize ⑤Close ⑥Unload
A. ①-②-③-④-⑤-⑥
B. ③-④-②-①-⑥-⑤
C. ②-①-③-④-⑤-⑥
D. ③-②-④-①-⑥-⑤
在吸光光度法中,吸光度可表示为()。
A. lg(I1/I0)
B. lgT
C. -lgT
D. I0/I
Neither Rosy ______ John know anyone called Nigel.
A. [A] nor
B. [B] or
C. [C] and