方女士，34岁，婚后2年未孕，夫妇双方检查，女方一切正常，男方

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问题单项选择题 B型题

方女士，34岁，婚后2年未孕，夫妇双方检查，女方一切正常，男方患有阳痿症。宜接受的治疗方案是（）

A.人工授精

B.体外授精与胚泡移植

C.配子输卵管内移植

D.宫腔配子移植

E.诱发排卵

答案

参考答案：A

阅读理解

On an island there are exactly seven towns: T, U, V, W, X, Y and Z. All existing and planned roads on the island are two-way and run perfectly straight between one town and the next. All distances(距离；路程) by road are distances the main square of one town to the main square of another town. U is the same distance by road from T, V and W as Y is from X and Z. The following are of the now existing roads on the islands.

Road 1 goes from T to V via (经由) U.

Road 2 goes directly from U to W.

The triangle (三角形) road goes from X to Y, from Y on to Z, and from Z back to X. Any main square reached by two roads is an interchange (立交桥) between them, and there are no other interchanges between roads.

68. Which of the following sketches is correct?

A. W B. U