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【判断题】
如果风扇上的积灰很多,会引起风扇故障,所以我们要定期给风扇做清灰工作A.
正确
B.
错误
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【单选题】[9-42]Where must the master or person in charge of a ship record the date of each test of emergency lighting and power systems and the condition and performance of the equipment ___. 当船上应急照明及电源进行测试时,船...
A.
On the Certificate of Inspection 船舶安全检查证书
B.
On the station bill 位置清单
C.
In the Operations Manual 操作说明书
D.
In either the official or unofficial log 航海日志草本及正本均可
【多选题】对于母儿之间的物质交换下列哪些项是恰当的（）
A.
在胎盘内进行物质交换的部位，主要在血管合体膜
B.
血管合体膜主要是由合体滋养细胞、绒毛间质、毛细血管基底膜和毛细血管内皮细胞4层组成的薄膜
C.
母血与胎儿血液并不直接相通，隔着绒毛毛细血管壁、绒毛间质和绒毛表面细胞层
D.
分子量＜250的物质容易通过血管合体膜
E.
在胎盘内，葡萄糖的转运属于简单扩散
【单选题】[9-42]Where must the master or person in charge of a ship record the date of each test of emergency lighting and power systems and th
A.
On the Certificate of Inspection
B.
On the station bill
C.
In the Operations Manual
D.
In either the official or unofficial log
【简答题】单词拼写。 1.I must make an a to her for breaking her glasses. 2.Tom was a in the book when walking so that he was knocked down by a car. 3.I’ll e my apple for your orange. 4.There are more than 42 countri...
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