题目内容

Where_______ that five pounds I lent you?

A. is
B. are
C. has
D. have

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The majority of the damage_____ easy to repair.

A. is
B. are
C. has
D. have

Match these terms.

主动脉肺动脉隔

法洛四联症的成因主要是（）

A. 主动脉肺动脉隔不呈螺旋式生长，而成平直的隔板。
B. 动脉干与心球分隔不均
C. 主动脉骑跨
D. 肺动脉狭窄