异位妊娠包括以下几种类型()
A.腹腔妊娠
B.卵巢妊娠
C.宫颈妊娠
D.输卵管妊娠
E.阔韧带妊娠
参考答案:A, B, C, D, E
Many people in Haiti died from the earthquake because they didn’t have to immediate rescue. [ ]
A. access
B. admission
C. approach
D. attention
下列实验现象的描述错误的是( )
A.钠在空气中燃烧,发出黄色的火焰,生成淡黄色固体
B.红热的铁丝在氧气中燃烧,火星四射,生成黑色固体颗粒
C.点燃的硫在氧气中剧烈燃烧,发出蓝紫色火焰
D.氢气在氯气中燃烧生成白色烟雾