下列有关金属腐蚀与保护的说法正确的是 A. 常温下，断开K时，若M溶液为浓硫酸，则铁发生化学腐蚀 B. 关闭K，若M为氯化钠，则铁极的电极反应式为O2+4e
The cause of his death __ his careless driving after too much wine. A. led to B. caused C. lay in D. resulted in
The Science Museum, _____ we visited during a recent trip to Britain, is one of London’s tourist attractions. A. which B. what C. that D. where
We dislike people ______ talk much but never do anything. A. whom B. which C. who D. whose
The dog _______for two months. Its _____ made us very sad. A. has been dead; died B. died; dead C. has been dead; death
分别用32P和35S标记的噬菌体侵染未标记的大肠杆菌，通过搅拌、离心分离，并检测其放射性，下列叙述正确的是 A．被标记的噬菌体是接种在含有32P和35S
与香港和澳门相邻的省是 （ ） A、福建省 B、广东省 C、广西
—____ does your father work? —He works in a hospital. A. What B. How C. Who D. Where
