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【简答题】
画出液控单向阀的图形符号,并根据图形符号简要说明其工作原理。
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】简述车间种子制备时确定种子罐级数应考虑的因素及确定种子罐级数的一般方法。
【简答题】简述种子制备的方法。
【单选题】国家介入市场、调控宏观经济运行的行为必须有法律的明确授权,并受宏观调控法实体性、程序性规范的约束。这是宏观调控法若干原则中( )的涵义。
A.
调控绩效原则
B.
调控法定原则
C.
调控适度原则
D.
调控公平原则
【简答题】Bright colours on a pae make a big impact, so it seems that a lot of good studying is going on when you read and highlight.
【单选题】听力原文：W: Good evening, sir. I'm the Assistant Manager. M: How nice. W: Yes, I'm afraid we've had a complaint about the noise from your neighbor across the corridor. He's trying to get some sleep as he ...
A.
She wants to greet the man.
B.
She wants to send the man some coffee.
C.
She wants to inform. the guest of a complaint from his neighbor.
D.
She wants to join their celebration.
【简答题】简述一种制备无亚硝酸根离子水的方法。
【单选题】下列不属于《证券业从业人员资格管理办法》所规定的从事证券业务的机构的是( )。
A.
证券投资咨询机构
B.
证券资信评估机构
C.
基金销售机构
D.
金融资产管理公司
【单选题】听力原文：W: Good evening, Sir. Are you ready to order now? M: No, I just finished. I am waiting for my change. What does the man want?
A.
His money.
B.
A different waitress.
C.
A menu.
D.
He wants to order some food.
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