因债务人放弃其到期债权或无偿转让财产，对债权人造成损害的，债权人可以请求人民法院撤销债务人的行为，撤销的时间为（）。
A. 知道撤销事由之日起一年内
B. 知道撤销事由之日起两年内
C. 自债务人行为发生之日起3年内
D. 自债务人行为发生之日起5年内
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在装岩期间如果有人需要在耙斗运行区间通过时，没必要停机。
A. 正确
B. 错误
When evacuating a seaman by helicopter lift，the vessel should be（）.
A. stopped with the wind dead ahead
B. stopped with the wind on the beam
C. underway with the wind 30°on the bow
D. underway on a course to provide no apparent wind
Ships do not permitted to the TBT paint after 2008，It is required by（）
A. the International Convention for the Safety of the Life at Sea
B. the International Convention for the Prevention from ships
C. the International Convention on control of harmful anti-fouling system on ships
D. the International Convention for the Control and Management of Ship’s Ballast Water and Sediment
驾驶机动车遇雾、雨、雪等能见度在50米以内时，最高速度不能超过多少？
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