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【单选题】
某研究所在标准化实验条件下,按标准化实验操作程序对某杀虫剂的大鼠急性经口毒性进行测定,其实验结果为:雌性LD5085mg/kg,雄性LD50216mg/kg,重复一次所得结果仍为雌性LD50远远小于雄性。据此你认为:()A.
雌性的结果不可信
B.
雄性的结果不可信
C.
雌雄均不可信
D.
雌雄之一不可信
E.
雌雄均有可能
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【单选题】The car industry suffered another setback yesterday when Lucas Electrical Company announced that many of its 12,000 workers at 15 factories in the West Midlands would be going on short time. It was ex...
A.
the announcement of production cuts by the Austin-Rover
B.
the report of the sluggish market for the car industry
C.
the announcement of short-time working by Lucas
D.
the reductions in the schedules of some customers
【简答题】The (announce)_______ of the decision has sent the company ’ s shares going up as much as 10 percent.
【多选题】如何保养一把紫砂壶
A.
“一壶不事二茶”
B.
泡茶时，先用沸水浇壶身外壁，然后再往壶里冲水，也就是常说的“润壶”
C.
每次用完后用棉布擦干水迹，敞开壶盖，倒置放在通风的地方阴干
D.
常用棉布擦拭壶身
E.
使壶面上堆满茶垢
【单选题】一患儿女,5岁,头痛、烦躁、抽搐、呕吐频繁,大便结,入院后的一般处理,下列哪项是错误的?( )
A.
头痛、烦躁者用镇静止痛剂
B.
抽搐者用抗癫痫药
C.
呕吐频繁者暂禁食,用脱水剂
D.
昏迷、痰多者行气管切开吸痰
E.
便秘者用肥皂水行高压灌肠
【单选题】What did the Scottish company announce in March?
A.
the birth of six cows cloned from an adult cow cell.
B.
the birth of five cows cloned from an adult cow cell.
C.
the birth of six piglets cloned from an adult pig cell.
D.
the birth of five piglets cloned from an adult pig cell.
【单选题】The car industry suffered another setback yesterday when Lucas Electrical Company announced that many of its 12,000 workers at 15 factories in the West Midlands would be going on short time. It was ex...
A.
the announcement of production cuts by the Austin-Rover
B.
the report of the sluggish market for the car industry
C.
the announcement of short-time working by Lucas
D.
the reductions in the schedules of some customers
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