如下图,横轴表示酶的反应条件,纵轴表示酶的反应速度,能正确反应温度、pH、时间、底物浓度与酶反应速度关系的是
A.①②③④
B.①①③④
C.①④②③
D.①①②④
答案:D
Look! If we had begun to do the work yesterday morning, we _____ ourselves just like them.
A.would have enjoyed
B.were to enjoy
C.should enjoy
D.would be enjoying
张艺谋的导演风格有什么特色?请结合具体影片加以论述。