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【简答题】
已知(1-2x) 5 =a 0 +a 1 x+a 2 x 2 +a 3 x 3 +a 4 x 4 +a 5 x 5 ,则a 1 +a 2 +a 3 +a 4 +a 5 =______.
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【多选题】防止厨房内生熟交叉污染的有效措施有()。
A.
加工生熟食品的工用具、容器等能从材质、形状、颜色、标识等方面分开
B.
接触直接入口食品的餐饮具、工用具、容器使用前消毒
C.
加工熟食前,加工人员需洗手、消毒
D.
加工直接入口食品的场所专用(专间或专用场所)
【单选题】防止交叉污染的有效措施为
A.
明确人流、物流、水流、气流方向,且都要控制
B.
明确人流、物流和水流的方向,气流方向无需控制
C.
明确水流、气流方向,人流和物流的方向无需控制
D.
明确人流、物流的方向,水流和气流方向无需控制
【简答题】简述要有效防止细胞交叉污染的措施。
【单选题】The best definition of 'biosphere' as it is used in the text is ______.
A.
the protective envelope formed by the atmosphere around the living earth
B.
part of the earth and its atmosphere in which life can exist
C.
the living things on earth whose existence is made possible by circulation of the atmosphere
D.
the circulation of the atmosphere's contribution to life on earth
【单选题】Which of the following expressiones is used literally, NOT metaphorically?
A.
A bundle of energy.(Paragraph Two)
B.
Enormous strides.(Paragraph Four)
C.
This unseen but deadly enemy.(Paragraph Four)
D.
The kings and queens.(Paragraph Five)
【单选题】Which of the following can be used in place of 'Quite the reverse'?
A.
Quite right.
B.
True enough.
C.
Most unlikely.
D.
Just the opposite.
【多选题】以下哪项为防止生熟交叉污染的有效措施()
A.
采用材质、形状、颜色、标识等方式明显区分加工生熟食品的工用具、容器等
B.
彻底洗净接触直接入口食品的餐饮具、工用具、容器
C.
从业人员洗手消毒后加工熟食
D.
在专间或专用场所内加工直接入口食品
【单选题】Trademark What is a trademark? Trademark is any visible sign or device used by a business enterprise to identify its goods and distinguish them from those made or carried by others. Trademarks may be ...
A.
Y
B.
N
C.
NG
【判断题】苯海拉明有较强的止吐作用,对妊娠呕吐和放射病呕吐也有效。
A.
正确
B.
错误
【单选题】A system administrator has determined that there is no network connectivity with the en0 intece.  By doing a netstat -in, it is determined that the en0 intece is not showing up.  Which of the fo...
A.
entstat -d
B.
ifconfig -a
C.
lsattr -El en0
D.
odmget -q "name=ent0 and attribute=netaddr" CuDv
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