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【单选题】
By KCL, if currents entering a node is regared as +, the currents leaving the node is taken as
A.
plus
B.
minus
C.
positive
D.
zero
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【单选题】关于蛋白质变性的叙述,下列哪项是正确的( )。
A.
蛋白质变性并非绝对不可逆
B.
变性后仍能保留一定的生物活性
C.
在260nm处出现增色效应
D.
变性后蛋白质变得难以消化
【单选题】下列营养监测需要评价膳食营养素摄入量,下列内容不属于膳食营养素摄入量评价的是()。
A.
全天能量摄入量
B.
三餐能量分配
C.
各类食物摄入量
D.
三大产能营养素供能比
【简答题】Let’s try _________(they) on.
【单选题】The girl _______ red is my friend, Jenny.
A.
in                 
B.
on                 
C.
in a
【单选题】— This is Jenny, Tom. She is my friend. — _____ , Jenny.
A.
Thank you
B.
Nice to meet you
C.
What’s your name
D.
She is my friend, too
【单选题】--Are you sure Mr Bush is at home? --Let’s try ringing the _.
A.
apartment
B.
bedroom
C.
doorbell
D.
building
【判断题】慢性胆囊炎的肝胆动态显像特点:胆囊在各时相内均不显影,即使是延迟显像也无胆囊影像;肝、肝管及肠道显影正常,
A.
正确
B.
错误
【单选题】Let's try again, __________?
A.
will you
B.
won't you
C.
shall we
D.
don't we
【简答题】句型转换。 1. Why don't you pretend to be Jenny's friend? (同义句) Why to be Jenny's friend? 2. My teacher told us to sing in that classroom. (否定句) My teacher told us to sing in that classroom. 3. Grandma tak...
【简答题】Jenny is an English girl. She is a nice girl , and she is my good friend. My name’s Amy. My father is John. My mother is Helen. Jack is my brother . I like(喜欢) them. I like singing. Jack likes reading...
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