A:军事实力
B:经济实力
C:外交手段
D:文化吸引
请听第二段对话,回答问题。
How far is it from Jeff's home to school?
②若定量量取液体时,量筒应先放____,视线应与____处保持水平;
③如图为50mL量程的量筒内液体的切面图,其体积为____ mL.
— _________ is it from our school to the museum.
— About half an hour's bus ride. Shall we go and visit it?