单词拼写, 首字母已给出 （每小题1分，共10分）

小题1:We s________(遭受) huge losses in the earthquake.

小题2:I’m c_________(担心) that they may have got lost.

小题3:The boy refused to follow my a_______(建议) and did what he wanted to.

小题4:The worker i_______(忽视) his own danger and jumped into the river to save the boy.

小题5:The news quite u______(使心烦意乱) him.

小题6:Are you sure he is a n        (本地的) here not a visitor ?

小题7:Though I haven’t met him for many years, I could r_________(认出) him immediately when I saw him in the crowd.

小题8:His story is b       (以…为基础) on his own experience.

小题9:He didn’t stop in Hong Kong and flew s          (径直) to London.

小题10:The ship sailed and we set out on a long v           (航海).

从使用的方面评价彩色多普勒血流显像仪，哪项是质量差的标志（）

A.空间分辨力、速度分辨力、动态分辨力均高

B.检出血流敏感度高

C.显示图像均匀性好

D.彩色血流效果佳

E.提高灰阶图像增益时，彩色图像质量即下降