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【单选题】
孕妇血容量增加最高峰是在妊娠（）A.
22～24
B.
26～28
C.
28～30
D.
32～34
E.
36～40
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】化妆品中含大量Bi、Al、Ca时，用原子吸收光谱法测定会干扰测铅的结果，这是因为
A.
它们影响铅的原子化
B.
它们的共振线接近铅的共振线
C.
它们原子化时，吸收大量能量，从而影响铅的测定
D.
它们的氧化物吸收铅的共振线
E.
它们改变了试样溶液的物理性质
【单选题】在何种情况下可利用图层和图层之间的裁切组关系创建特殊效果
A.
需要将多个图层同时进行移动基编辑
B.
需要移动链接的图层
C.
使一个图层成为另一个图层的蒙板
D.
需要隐藏某图层中的透明区域
【简答题】把打破化学键所需要的能量称为 。
【单选题】下列对摩尔(mol)的叙述不正确的是 [ ]
A.
摩尔是物质的量的单位，用于表示物质所含微观粒子的多少
B.
摩尔既能用来计量纯净物，又能用来计量混合物
C.
1mol任何气体所含的气体分子数目都相等
D.
用“摩尔”（而不用“个”）计量微观粒子与用“纳米”（而不 用“米”）计量原子直径，计量思路都是扩大单位
【简答题】董事会制度是确保股东充分行使权利最基础的制度安排。
【单选题】A car accident happened on the highway this morning. People took away the wounded to hospital immediately, and the government sent policemen there to cope with the event.
A.
A car accident was happened on the highway this morning. The wounded were immediately taken away to hospital, and the government were sent policemen there to cope with the event.
B.
A car accident was happened on the highway this morning. The wounded was immediately taken away to hospital by people, and policemen were sent there to cope with the event by the government.
C.
A car accident happened on the highway this morning. The wounded were immediately took away to hospital, and policemen were send there to cope with the event.
D.
A car accident happened on the highway this morning. The wounded were immediately taken away to hospital, and policemen were sent there to cope with the event.
【单选题】以下有关乳癌叙述不正确的是
A.
乳癌最常见的远处转移为肺、骨、肝
B.
乳癌早期表现为无症状性乳房肿块
C.
乳癌的大小决定其预后
D.
内分泌治疗是乳癌治疗的一个重要组成部分
E.
乳癌发病率与雌激素水平有明显关系
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