下列说法错误的是（）。A.红细胞主要成分为蛋白质，其他为磷脂和葡萄糖B.红细胞膜...

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【单选题】

下列说法错误的是（）。

红细胞主要成分为蛋白质，其他为磷脂和葡萄糖

红细胞膜遗传性缺陷中最常见的是收缩蛋白缺陷和基因突变，并与锚蛋白连接有缺陷

红细胞膜具有可变性、半透性、免疫性和受体特性等功能

新生儿HbF含量较高，至1岁左右接近成人水平

正常血红蛋白是由两对珠蛋白肽链形成的四聚体和亚铁血红素构成

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举一反三

【单选题】She soon fell asleep being tired of walking all day long.

fell asleep

being

all day long

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【单选题】She soon fell asleep,__________(因为) she was too tired.

for

but

and

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【单选题】cabinet

陈列柜

客厅

圆桌

民主党

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【判断题】She soon fell asleep,for she was too tired. 下面的回答是否正确: What did you do yesterday ?

正确

错误

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【单选题】She ________down in bed and soon fell asleep.

lied

lay

laid

lain

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【简答题】I. Check Your Vocabulary Find a word or phrase from the bracket to complete each sentence and change the form if necessary. Feeling extremely exhausted after a day’s work, she ____ into the sofa and s...

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【简答题】同步发电机与无穷大电网并列的方法有和。

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【判断题】发电机与无穷大电网并列运行的方法有准同步并列和自同步并列两种。

正确

错误

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【单选题】She soon fell asleep, ________ she was too tired.

and

but

for

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【单选题】Please fill in the blanks with given words. 1.Feeling extremely exhausted after a day’s work,she _____ into the sofa and soon fell asleep.

introductory

bark

cumulative

sneaky

surrender

stream

slumped

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fell asleep

being

all day long

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【单选题】She soon fell asleep,__________(因为) she was too tired.

查看完整题目与答案

查看完整题目与答案

【判断题】She soon fell asleep,for she was too tired. 下面的回答是否正确: What did you do yesterday ?

正确

错误

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【单选题】She ________down in bed and soon fell asleep.

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【简答题】同步发电机与无穷大电网并列的方法有和。

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【判断题】发电机与无穷大电网并列运行的方法有准同步并列和自同步并列两种。

正确

错误

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【单选题】She soon fell asleep, ________ she was too tired.

and

but

for

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【单选题】Please fill in the blanks with given words. 1.Feeling extremely exhausted after a day’s work,she _____ into the sofa and soon fell asleep.

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