46. "if at all"是一个由"if"引起的主谓结构不完整的短句结为"即将……"，"即使……"等。
I can see only with great difficulty, if at all.
47. 由there引起的句型容易产生复杂的句子结构.
There have been opened up to the vast and excellent science, in which my work is the beginning, ways and means by which other minds more accurate than wine will explore its remote corners.
48. "range from …to…"结构。这是一个常见结构，译时很多情况下应变通处理，不能完全依靠辞典上的释义。
Computer applications range from an assembly line completely run by computers to a children toy responding to remote signals.
49. "the way…"结构
I always thought she was a common-sense person who discussed things the way they ought to be discussed.
50. 复杂宾补结构
In recent years, the development of sensitive and accurate measuring equipment has made it possible to measure the acuity of hearing of any individual at different frequencies.
一级建造师二级建造师二级建造师造价工程师土建职称公路检测工程师建筑八大员注册建筑师二级造价师监理工程师咨询工程师房地产估价师 城乡规划师结构工程师岩土工程师安全工程师设备监理师环境影响评价土地登记代理公路造价师公路监理师化工工程师暖通工程师给排水工程师计量工程师
执业药师执业医师卫生资格考试卫生高级职称执业护士初级护师主管护师住院医师临床执业医师临床助理医师中医执业医师中医助理医师中西医医师中西医助理口腔执业医师口腔助理医师公共卫生医师公卫助理医师实践技能内科主治医师外科主治医师中医内科主治儿科主治医师妇产科医师西药士/师中药士/师临床检验技师临床医学理论中医理论
