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华支睾吸虫在人体发育过程中经过肺及肝脏,可称为幼虫移行症。( )

A. 对
B. 错

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Features of iCloud Photo LibraryThe iCloud Photo Library stores every photo and video you take and keeps them uptodate on all your devices. Any edits you make are automatically updated. The iCloud Photo Sharing app makes it easy to share photos and videos exclusively with the people you want to see them. Create a shared album and invite friends and family to add their photos and video clips as often as they want. And you can even take your entire photo collection anywhere without using up all the storage space on your iPhone.Every photo and video you take lives in iCloud — giving you the freedom to access your library from any device, anytime you want.So you can view a photo from last week or last year no matter where youare.Features of iCloud Photo Library1.The iCloud Photo Library _1_ every photo and video you takeand keeps them _2_ on all your devices.2.The iCloud Photo Sharing app makes it easy to _3_ photos and videos with the people you want to see them.3. You can take yourentire photo collection _4_.4. You have the freedom to access your library from any _5_, anytime you want.

固定铰链的约束反力是一个力和一个力偶。

A. 对
B. 错

常见的约束类型有哪些？每种约束的约束反力怎么表示？

Android中提供了标准的Java文件输入输出流对象进行操作，其中输入流为（）对象。