题目内容

It pains us to see that our environment is __________.

A. degenerating
B. deteriorating
C. declining
D. depressing

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The fashionable lady ________ to be a thief.

A. proved out
B. proved down
C. turned in
D. turned out

With the constant change of the conditions, the outcome is not always _________.

A. favorable
B. reasonable
C. dependable
D. predictable

He was _________ to suspend his examination because he was seriously ill.

A. compelled
B. repelled
C. combined
D. propelled

肾结石的超声检查① 肾窦内出现的点状、团块状或弧形强回声伴有声影② 多数结石，CDFI检查可见具有特征性的快闪伪像③ 肾结石继发肾积水时，出现结石梗阻引起的肾盂肾盏扩张表现④ 肾实质内出现点状、斑块状强回声并伴有声影⑤ 肾实质内圆形或椭圆形无回声，壁菲薄，光滑整齐，后方回声增强。

A. ①③
B. ①②③
C. ①②③④
D. ①②③④⑤
E. ④⑤