| With only about 1,000 pandas left in
the world, China is desperately trying to clone the animal and save the
endangered species. That’s a move similar to what a Texas A&M University
researcher has been undertaking for the past five years in a project called
"Noah’s Ark." Dr. Duane Kraemer, a professor in Texas A&M’s College of Veterinary Medicine and a pioneer in embryo(胚胎) transfer work and related procedures, says he salutes the Chinese effort and "I wish them all the best success possible. It’s a worthwhile project, certainly not an easy one, and it’s very much like what we’re attempting here at Texas A&M--to save animals from extinction." Noah’s Ark is aimed at collecting eggs, embryos, semen (精子) and DNA of endangered animals and storing them in liquid nitrogen. If certain species should be come extinct, Kraeme A. Lack of available panda eggs. B. Lack of host animals. C. Lack of qualified researchers. D. Lack of funds. [单选题]下列关于起重吊装机械作业的要求中,说法错误的有。( )
A.起重机的行驶道路必须平整、坚实可靠。 B.起重机不得停置在斜坡上工作、回转。 C.严禁超负荷使用起重设备,严禁斜拉、斜吊。 D.禁止在5级以上大风天气条件下作业。 [多项选择]凡遇下列哪些情况应行骨髓检查（）
A. 不明原因发热，有恶病质 B. 不明原因的肝、脾、淋巴结肿大 C. 血涂片中有幼稚细胞或可疑细胞 D. 血细胞原因不明减少或增多时 E. 血友病 [多选题]清理余渣作业的危险源可能有（ ）、（ ）、（ ）。
A.电缆破损 B.渣罐倾倒 C.红渣外溢 D.高空落物 [单选题]( )对于爬行 相当于 青蛙对于 ( )
A.缓慢 害虫 B.匍匐 蟾蜍 C.运动 动物 D.螃蟹 跳跃 [多选题]安全生产业绩考核包括( )。
A.事故责任考核 B.生产安全事故考核 C.安全生产责任考核 D.过程管理考核 [判断题]气瓶是一种贮运容器，它的最高压力决定于它的充装量和最高使用温度。
A.正确 B.错误 [单选题]用微波炉煮鸡蛋时为什么要用牙签在蛋清和蛋黄上扎孔?
A.容易入味 B.防止爆裂 C.受热均匀煮熟得快 [判断题]根据《压力容器定期检验规则》,对拆下来的紧急切断装置,应解体、检验、修理和调整并进行耐压、密封、紧急切断等性能试验。检验合格并重新铅封方准使用。
A.正确 B.错误 我来回答: 提交
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