Many oil companies are now making alternative energy _________

单选题 Many oil companies are now making alternative energy __________in an effort to remain competitive in future energy markets.

A．payments
B．contributions
C．donations
D．investments

参考答案D

解析: 通过分析句子，空格处应填入“投资对象”的单词。

单选题 The newspaper identified the journalist__________wrote the anonymous editorial predicting a stock market crash.

A．which
B．whose
C．who
D．whom

单选题 The government agency took control of the oil industry in a desperate attempt to__________the wildly fluctuating market prices.

A．acquire
B．stabilize
C．assemble
D．translate

单选题 __________the technicians in the technology department wondered was how to install the data storage device.

A．That
B．Whether
C．Though
D．What