皮皮学，免费搜题
登录
搜题
【单选题】
下列有关蛋白质的叙述哪项是正确的
A.
蛋白质分子的净电荷为零时的 pH 值是它的等电
B.
大多数蛋白质在含有中性盐的溶液中会沉淀析出
C.
由于蛋白质在等电点时溶解度最大，所以沉淀蛋白质时应远离等电点
D.
以上各项均不正确
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】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、整平
B.
铲土、运土、卸土
C.
铲土、整平、填筑
D.
铲土、运土、填筑
查看完整题目与答案
【简答题】试述房水的产生部位及其循环途径。
查看完整题目与答案
【判断题】调车作业时，调车人员必须在司机一侧进行作业。
A.
正确
B.
错误
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、填筑
B.
铲土、整平、填筑
C.
铲土、运土、卸土
D.
铲土、运土、整平
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】顾客在看商品对于营业员的提问不做任何回答,正确的做法是( )
A.
让顾客继续自己挑选,不加以打扰
B.
设法调节气氛,改变谈话内容
C.
照顾其他顾客
D.
不断观察该顾客的神情
E.
转身走开
查看完整题目与答案
【判断题】当表现英雄人物首次登场，你需要表现出人物自身所具备的德行，这时你可以采用人物登场之焦点转换情景，摄像机的高度应该与主角高，稍向下倾斜，俯拍人群。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
查看完整题目与答案
相关题目：
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his joy
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、整平
B.
铲土、运土、卸土
C.
铲土、整平、填筑
D.
铲土、运土、填筑
查看完整题目与答案
【简答题】试述房水的产生部位及其循环途径。
查看完整题目与答案
【判断题】调车作业时，调车人员必须在司机一侧进行作业。
A.
正确
B.
错误
查看完整题目与答案
【单选题】推土机开挖作业的三个行程是( )
A.
铲土、运土、填筑
B.
铲土、整平、填筑
C.
铲土、运土、卸土
D.
铲土、运土、整平
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Because "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】Why was the little prince angry at "me"?
A.
Becauuse "I" was busy with repairing the engine.
B.
Because "I" killed the sheep.
C.
Because "I" destroyed his toy.
查看完整题目与答案
【单选题】顾客在看商品对于营业员的提问不做任何回答,正确的做法是( )
A.
让顾客继续自己挑选,不加以打扰
B.
设法调节气氛,改变谈话内容
C.
照顾其他顾客
D.
不断观察该顾客的神情
E.
转身走开
查看完整题目与答案
【判断题】当表现英雄人物首次登场，你需要表现出人物自身所具备的德行，这时你可以采用人物登场之焦点转换情景，摄像机的高度应该与主角高，稍向下倾斜，俯拍人群。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why did the little girl die?
A.
Because she drank the water.
B.
Because she was sick.
C.
Because she took some of the chemicals.
查看完整题目与答案