<img src="https://zk.995w.com/lqwvjeImg/08/08793067d4ede80c6fe6e3decff4e874.png"style="width:117px;height:39px;">,<img src="https://zk.995w.com/lqwvjeImg/b6/b6d0ffe972cb8dd43a931af5ac51e7c8.png"style="width:119px;height:39px;">,<img src="https://zk.995w.com/lqwvjeImg/89/8976f89accd88a906c1e146568fb8c83.png"style="width:17px;height:17px;">由<img src="https://zk.995w.com/lqwvjeImg/c9/c984c1ea8d39f28ce2a3bb8a29e8a848.png"style="width:13px;height:15px;">、<img src="https://zk.995w.com/lqwvjeImg/38/38bc476052ad853f7ca1a56585ac842b.png"style="width:15px;height:17px;">轴与直线<img src="https://zk.995w.com/lqwvjeImg/91/913ee79ed8c9322689c1437f306b6c22.png"style="width:57px;height:21px;">围成,则( ).<br>·<img src="https://zk.995w.com/lqwvjeImg/d5/d5f11fe53da91c9e2727736fe6faa679.png"style="width:44px;height:24px;"><br>· <img src="https://zk.995w.com/lqwvjeImg/8e/8e487e3320a9be16c8dc9b3422a9a1f3.png"style="width:44px;height:24px;"><br>·<img src="https://zk.995w.com/lqwvjeImg/8e/8e487e3320a9be16c8dc9b3422a9a1f3.png"style="width:44px;height:24px;"><br>·不能确定