不属于北宋与西夏和议的原因的是[ ]
A.战争破坏了双方正常贸易
B.西夏节节取胜
C.北宋中断对西夏粮食供应
D.辽国从中调和
答案:D
Sarah is _______ a kind-hearted girl _______ she often helps people who are in trouble. [ ]
A. so, that
B. too, to
C. such, that
D. not only, but also
以下哪项不是艾滋病的传播方式()
A.输血传播
B.性接触传播
C.口腔飞沫传播
D.母婴垂直传播
E.静脉吸毒传播