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枫下家园 / 医药保健 / 求解几个关于劳动保护的问题。这些问题是我在Vancouver BCIT考试题中碰到的，问了许多人（包括医生）都没有得到肯定的答案。现只好求助Rolia论坛上的专业人士。第一题，Most of back injuries are caused by: A、improper lifting and moving methods B、Bad posture
第二题，The first line of your body back to a sudden pressure or load is: A. Ligment B. Muscle
第三题，Most of disc injuries are caused by: A. fast movement B. a heavy solw pressure on a small part
第四题，A long time muscular strain will cause: A. Ligment strain B. ... (选A对不对？其他选项回忆不起来了。）
-ericcn(NeverLoseHeart);
2002-8-13
{417}
(#690500@0)
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up、up，求助！！！！
-ericcn(NeverLoseHeart);
2002-8-13
(#690615@0)