380V交流电源线色谱要正确说法是（）。A.黄绿红 B.黄绿蓝 C.红绿蓝 D.零线 发布时间：2017-05-22 13:47 │ 来源：www.tikuol.com 题型：多项选择题 问题： 380V交流电源线色谱要正确说法是（）。A.黄绿红B.黄绿蓝C.红绿蓝D.零线为蓝色
题型：多项选择题 完形填空。 What is a clone? A clone is a copy-a genetic (基因的) copy. Genes (基因) are the in-structions forlife. They 1 a cell what to do and how to do it. Genes make 2 plant or animal different and unique.A clone has the same genes 3 the original organism (生物体). Cloning is not new. 4 have been cloned for centuries. Many new plants are grown from cuttings (插枝) from the original plants. One benefit of cloning is that we can make many copies of the best and healthiest plants. It's 5 more difficult to clone animals than plants. In 1997 scientists succeeded in 6 a sheep. The creation of Dolly, the Cloned sheep, caused great attention around the world in no time. Scientists hadtried to clone other animals like frogs before that, but they failed Frogs died as tadpoles (蝌蚪), never living 7 to become adult frogs. It may soon be 8 to clone many types of animals. Will we also 9 clone human organs (器官), or even a whole human being? Maybe now the question is not whether we can clone humans, but 10 should we clone humans? ( )1．A．keep ( )2．A．each ( )3．A．for ( )4．A．Plants ( )5．A．many ( )6．A．clones ( )7．A．long enough ( )8．A．helpful ( )9．A．must ( )10．A．except B．make B．neither B．from B．Animals B．much B．cloning B．short enough B．difficult B．should B．except for C．tell C．both C．with C．Life C．few C．cloned C．enough long C．possible C．can C．instead D．let D．none D．as D．Humans D．little D．to clone D．enough short D．new D．be able to D．instead of 查看答案
题型：多项选择题 女性，34岁，4小时前右手被卷入梳毛机中。检查：整个右手背及2～4指近、中节皮肤缺损，伸指肌腱严重挫伤、断裂，残缺不全，掌、指骨外露，表面有挫痕及污染，急诊清创后应采用A．直接缝合皮肤B．凡士林纱布覆盖包扎C．中厚游离皮片移植D．邻指带蒂皮瓣E．腹股沟轴型皮瓣 查看答案
题型：多项选择题 患者，男，32岁，突发右胸痛，呼吸困难，查体：语音震颤减弱，气管向左侧移位，叩诊右侧为鼓音，该患者查体还可见A．肝浊音界缩小B．肝浊音界消失C．肝浊音界扩大D．肝浊音界上移E．肝浊音界下移 查看答案