课时作业14 astronomy：the science of the stars ⅰ.阅读理解 in los angeles, drivers spend sixtyone hours every year stuck in traffic. these drivers know all too well how bad the traffic can be. “there're too many cars, and you can't move around a lot.” professor cyrus shahabi also knows about traffic jams. he lives more than 65 kilometers from his office at the university of southern california, in los angeles. he is always late even with the help of a
