皮皮学，免费搜题
登录
搜题
【单选题】
以下描述除了（ ）之外，都可以通过利用滤膜实现。A.
从细菌中分离出病毒
B.
测定细菌数目
C.
从 ATP 分子分离出葡萄糖分子
D.
从原生动物分离出病毒
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】关于流脑的描述，下列哪一项是不正确：
A.
带菌者是流脑重要的传染源
B.
脑膜炎球菌体外易自溶，故标本应及时送检
C.
流脑以冬春季发病率高
D.
暴发型流脑休克型患者其脑脊液常规化验多可正常
E.
婴幼儿流脑脑膜刺激征尤为明显
【单选题】Today we'll discuss proposals____the improvement of quality. All other proposals will be left to the next meeting.
A.
similar to
B.
relevant to
C.
familiar with
D.
regarded as
【单选题】一Why are you ready ________ Jour study in America? 一Because English is spoken ________ the first language there. [ ]
A.
to; by
B.
for; as
C.
to; as
D.
for; by
【简答题】Before you listen, match each photo with the correct country name. Then discuss which languages are spoken in these countries.
【单选题】Old people must __________.
A.
speak to polite
B.
be spoken politely
C.
be spoken to politely
D.
be spoken to polite
相关题目：