牛乳中酪蛋白的等电点是( )。 A6.6 B5.2 C4.6 D3.2...

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牛乳中酪蛋白的等电点是( )。 A6.6 B5.2 C4.6 D3.2

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举一反三

【判断题】配砟整形车可以对道床进行配砟,整形,清扫轨枕和抛砟作业

正确

错误

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【简答题】选词填空题下面的1-10题为对应的题目中的空格,请在题目里填上对应单词前的字母(大写)即可 [A] positive[B] additional[C] duration[D] effectivee[E] shed [F] physical [G] food [H] functions [I] participated [J] rely [K] cut [L] repeatedly [M] use...

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【多选题】七、补全对话 ( 5 ’ )

This is Mike speaking

Could I speak to Li Ming, please

Can I leave a message

Please ask him to call me back when he comes home A: Hello! 1 _________________________? B: I’m afraid he’s out at the moment. Who’s calling? A: 2 ______________________________. May I know where he went? B: He went to the hospital to see his friend. A: Will he have lunch there? B: No, he will be back for lunch. A: 3 ________________________? B: Sure. Wait a minute. let me put it down. A: 4 ______________________. B: OK, I got you. A: Thank you. Bye.

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【单选题】 I haven't got anything to do, so I__________go with you.

must

may as well

have to

may

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【多选题】下列哪些是定义整型常量的语句()

#define CONSTANT 5

const int CONSTANT = 5

static int CONSTANT = 5;

extern int CONSTANT = 5;