【单选题】
7. This pencil is ____than that one.
【单选题】
7. She wishes to be ________ nightingale(夜莺).
【单选题】
7. They hope to_________the source of the infection.
【单选题】
7.上层建筑是指()
④
建立在一定社会经济基础之上的意识形态及相应的制度和设施
【单选题】
7. At night, the beach is bathed ____ soft moonlight.
【单选题】
7. The fall in price is directly ______ to the increase in output.
【单选题】
7. If it is fine tomorrow, we ______ a football match.
【单选题】
7. With careful examination, they were convinced that the picture was______.
【单选题】
7. It is so quiet that you can hear a pin ______.