皮皮学，免费搜题
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【判断题】
在Ajax对象的创建时，所有的浏览器都可以使用XMLHttpRequest对象。（ ）A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】The pills might cure him, _____ he's taken them regularly. [ ]
A.
thanks to
B.
in case
C.
so that
D.
if only
【单选题】某单作用叶片泵转子外径 d = 80mm ,定子内径 D = 85mm ,叶片宽度 B = 28mm ,调节变量时定子和转子之间最小调整间隙为 δ = 0.5mm 。求: (1)该泵排量为 V 1 =15mL / r 时的偏心量 e 1 ; (2)该泵最大可能的排量 V max 。
A.
（1）10mm（2）299ml/r
B.
（1）0.1mm（2）22.4ml/r
C.
（1）1mm（2）29.9ml/r
D.
（1）1mm（2）22.4ml/r
【简答题】A 75-year-old man was admitted with suspected pneumothorax due to an auto accident. He was hyperventilating and cyanotic. The cardiothoracic surgeon decided to do a tracheotomy first. Once the patient...
【简答题】The only meals regularly taken together in Britain these days are at the weekend, among rich families struggling to retain something of the old symbol of togetherness.
【简答题】测定铁矿中铁的含量，4次结果的平均值为56.28%，标准偏差为0.10%。置信度为95%时总体平均值的置信区间(%)是(已知t 0.05,3 =3.18。)( ) (A) 56.28+0.138. (B) 56.28±0.14。 (C) 56.28±0.159。 (D) 56.28+0.16。
【简答题】The pills might have cured him ______ he ’ d taken them regularly.
【简答题】请阅读该段落,然后在该段落中找到符合给定定义的术语。 A 75-year-old man was admitted with suspected pneumothorax due to an auto accident. He was hyperventilating and cyanotic. The patient was breathing regularly, he was taken t...
【多选题】甲公司与劳动者李某在劳动合同中约定的下列事项，无效的有（）
A.
发生工伤，公司概不负责
B.
公司提出解除合同时无须向李某支付经济补偿金
C.
试用期内公司可随时解除与李某的劳动合同
D.
合同期满后的3年内，李某不得从事与甲公司同类业务
E.
李某进入公司3年内不得结婚
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