皮皮学，免费搜题
登录
搜题
【单选题】
皂苷具溶血作用的原因是A.
具表面活性
B.
与细胞壁上胆甾醇生成沉淀
C.
具甾体母核
D.
多为寡糖苷，亲水性强
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
【简答题】(10分)试设计一个实验,证明生长素对植物开花过程有抑制作用。
【单选题】— Can you keep an eye on my bag, Mary? I just want to use the bathroom. — ___. It will be safe with me. [ ]
A.
I don't think so
B.
Forget it
C.
Go ahead
D.
You're welcome
【单选题】— Can you keep an eye on my bag, Tom? I just want to use the bathroom. —____. It will be safe with me.
A.
Go ahead
B.
I think so
C.
Not at all
D.
You’re welcome
【单选题】楼宇访客对讲系统按功能不同可分为基本功能型和多功能型，下面不属于基本功能型对讲系统功能的是（）。
A.
呼叫住户功能
B.
对讲功能
C.
控制开门功能
D.
内部对讲功能
【简答题】Travelling call be a wonderful adventure.Travelling by airplane, however, can be very tiring.The following 01 (be)some tips to help reduce the discomfort of your next long plane trip. Don’t pack t...
【简答题】Look at the picture. It's a picture 1 a room. 2 (who) room is it? It's my sister Jane's and 3 (I). What can you see in the room? I can see an orange 4 the desk. Is there 5 English book on the desk? No...
【简答题】楼宇对讲系统的功能是什么?
相关题目：