【判断题】某地1岁婴儿平均血红蛋白95%可信区间为116.2~130.1(g/L),表示该地1岁婴儿血红蛋白总体平均数在116.2~130.1(g/L);医学参考值为111.2~135.1(g/L),表示该地有95%1岁正常婴儿的血红蛋白值在111.2~135.1(g/L)。()
【单选题】According to the passage, the experience of helplessness causes rats to______.
A.
try to control unpleasant stimuli
B.
turn off the electricity
C.
behave passively in controllable situations
D.
become abnormally suspicious
【判断题】Did Beijing Xinxing Vocational School students take part in a one -week social practice?
【判断题】一般来说,单位在招聘办公室职员时大多采用内部招聘的方法。()
【单选题】Did the manager of the company like to cooperate with Beijing Xinxing Vovational School?
【单选题】关于卵巢恶性肿瘤的转移特点,错误的是( )。
【单选题】Which of the following statements about Origen and Embrex is con.ect according to the fifth paragraph? 查看材料
A.
Origen and Embrex will jointly invent machines to increase Droduction.
B.
Origen wants to purchase an efficient donor cells injecting machine.
C.
Origen has cooperated with Embrex in producing cell—injecting machines.
D.
Origen is the leading company in producing embry0.10cating machines.
【简答题】如题图所示小轴,加工A、C面时均以坯料表面B为粗基准,问是否恰当,为什么?