证券投资基金是一种实行组合投资、专业管理,利益共享、风险共担的()投资方式。
A.集合
B.集资
C.联合投资
D.合作
参考答案:A
Last month an earthquake, ________ a magnitude of 6.3, struck an Indonesian island, and
________ at least 70 people.[ ]
A. measured; killing
B. to measure; killed
C. measuring; killed
D. measuring; having killed.
天馈线系统的电压驻波比小于等于1.5。