皮皮学，免费搜题
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【判断题】
window.onload 必须等到页面内包括图片的所有元素加载完毕后执行A.
正确
B.
错误
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】soluble tablets
【简答题】普通有内胎充气轮胎由 、 、 三部分组成。
【简答题】SNAREs(soluble NSF attachment protein recepter)
【单选题】Why is taking excess amounts of fat-soluble vitamins more likely to cause toxicity than taking excesses of water-soluble vitamins?
A.
In general, excesses of fat-soluble vitamins cannot be excreted as easily as water-soluble vitamins.
B.
In general, water-soluble vitamins are more likely to be stored in the body than fat-soluble vitamins.
C.
The body has higher requirements for water-soluble vitamins.
D.
The body has higher requirements for fat-soluble vitamins.