genome c and d c和d染色体组
C&D Collected and delivered 运费已收和货物已交付 ; 运费收讫和交货完毕 ; 运费已收及货物已交付
VEGF-C and D 血管内皮生长因子C
D&C dilatation and curettage 刮宫术 ; 扩张及刮除术
C&D Charge and Discharge 充电与放电
D and C Yellow No 荧光素钠 ; 喹啉黄
C-ring and D-ring 供应各类汽动枪钉
d and c d及c
Please complete the summary of paragraphs C and D below.
请完成下面 C 和 D 段的总结。
For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项,请选择最佳选项并在答题卡2的相应字母中间划横线。
After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听到问题后,必须从A、B、C、D四个选项中选出最佳选项。
We talked to some people in Washington, D.C. and Miami, Florida about their resolutions, hopes and wishes for 2009.
VOA: special.2009.01.01
They are African-and-American kids, and their coming to D.C.
他们都是非裔美籍的孩子,此次来环境保护署总部。
We take, um, legislation and regulation, which is sort of how our agencies work in Washington D.C.,
我们还学习立法和规章,学习华盛顿特区的政治部门是如何做这些工作的,
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