【单选题】下列关于肠热症免疫的叙述哪项不正确?( )
B.
病愈后2~3周内尽管体内有抗体但疾病仍可复发
【单选题】When Lovecraft was born?
【简答题】建造一幢房屋,是一个复杂的工程,需要经过( )和( )两个阶段。
【单选题】Which of the following statement is CORRECT?
A.
Drastic changes in the weather have been common since ancient times.
B.
The change in weather from very cold to very hot lasted over a century.
C.
The scientists have been studying ice to forecast weather in the future.
D.
The past 10,000 years have seen minor changes in the weather.
【简答题】The drastic changes in the international situation___________________(把建立国际新秩序的问题进一步提到了全世界面前).