赞题库-背景图

单项选择题

A(n) ______ disease is one that can be passed from one person to another.

A．influential
B．infectious
C．immune
D．popular

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热门试题

单项选择题Our ______ as a nation is threatened by these separatist forces.

A．integral
B．integrity
C．instability
D．intensity

单项选择题The last paragraph suggests that ______.

A．nuclear war will definitely not take place
B．international agreements are now reached more and more easily
C．man is beginning to realize that nuclear war is his greatest enemy
D．world opinion is in favor of nuclear war