1．People have always been curious ________ how living things on the earth exactly began.
A．in B．at C．of D．about
答案 D [本题考查词语搭配。be curious about表示“对……好奇”，是固定搭配，因此D为正确答案。]
2．Ming and Qing Tombs have ________ relatively undamaged.They，________，have suffered some damage from centuries of exposure，war，fire and deliberate destruction.
A．been remained；however
B．survived；though
C．existed；therefore
D．left；thus
答案 B [第一空用survived，表示“经历……后残存下来”；第二空用though，表示转折。]
