单项选择题

From the fourth paragraph, we learn that Google’s money is also invested to help（）.

A．start more research programs
B．make more advanced electric cars
C．develop renewable and coal-based energy
D．conduct studies related to climate changes

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热门试题

单项选择题

The most important factor for establishing a good working relationship with the boss is（）.

A．high expectations
B．quick feedback
C．frequent criticism
D．effective communication

填空题

49（）