____________was the deadly bubonic plague, which reducedEngland’s population from four million to two million by the end of the 14th century.

The two __ causes of death during the 1300s were war and the bubonic plague. ( ) A: dauntless B: foremost C: disdainful D: Discreet

Streptomycin is the first choice in the treatment for the following infectious disease ( ) A: acute pneumonia B: tonsillitis C: bacterial endocarditis D: bubonic plague E: meningitis

Which of the following is NOT a disease carried by an insect in some stage? A: malaria B: yellow fever C: bubonic plague D: Lyme disease E: typhus

The best choice as a significant consequence for the Bubonic Plague was which of the following? A: Decreased influence of the Church B: Introduction of schools of medicine C: Introduction of the feudal system D: Collapse of the feudal system

Which of the following is NOT a disease carried by an insect in some stage? ( ) A: malaria (疟疾) B: yellow fever (黄热病) C: bubonic plague (腺鼠疫) D: Lyme disease (莱姆病) E: leishmaniasis (黑热病)