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【单选题】
下列关于三羧酸循环的叙述中,正确的是
A.
循环一可生成4分子NADH
B.
循环一可使2个ADP磷酸化成ATP
C.
乙酰CoA可经草酸乙酸进行糖异生
D.
丙二酸可抑制延胡索酸转变成苹果酸
E.
琥珀酰CoA是α-酮戊二酸氧化脱羧的产物
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参考答案：
举一反三
【单选题】“千门万户建经式,总把新桃换旧符”作者是()
A.
刘禹锡
B.
白居易
C.
王安石
D.
赵孟顿
查看完整题目与答案
【单选题】You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. Then you go to device manager to see the status of the USB port. The statu...
A.
Update the scanner drivers using certified drivers
B.
Enable the USB port in the computers BIOS.
C.
Contact the maker or vendor for you system and obtain the current version of BIOS.
D.
Enable the USB hub controller in device manager.
查看完整题目与答案
【单选题】NerdHerd Electronics sells three different sizes of televisions at three different prices. In this case, the company's pricing strategy is referred to as ________ pricing.
A.
product line
B.
optional-product
C.
by-product
D.
product bundle
E.
captive-product
查看完整题目与答案
【简答题】对暴发性肝炎评价临床抢救效果时最恰当的指标应是（ ）
查看完整题目与答案
【单选题】Before going out for a trip, you should get everything ready ______.
A.
on time
B.
in advance
C.
by chance
D.
before long
查看完整题目与答案
【单选题】Which command do you use to display the status of an antivirus database update?（）
A.
show security utm anti-virus status
B.
show security anti-virus database status
C.
show security utm anti-virus database
D.
show security utm anti-virus update
查看完整题目与答案
【多选题】Which of the following do variable costs involve? _____.
A.
port charge
B.
loading and unloading costs
C.
repair and maintenance expenses
D.
costs of fuel
查看完整题目与答案
【单选题】---What will you do if it ___ tomorrow? ---We have to carry it on,since we've got everything ready.
A.
rain
B.
will rain
C.
rains
D.
is raining
查看完整题目与答案
【单选题】While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indica...
A.
The port is experiencing errors
B.
The port is administratively disabled
C.
The port is blocked by spanning tree
D.
The port has an active link with normal traffic activity
查看完整题目与答案
【单选题】Which port status does the interface enter when UDLD detects a unidirectional link?
A.
shutdown
B.
up/up
C.
down/down
D.
errdisable
查看完整题目与答案
相关题目：
【单选题】“千门万户建经式,总把新桃换旧符”作者是()
A.
刘禹锡
B.
白居易
C.
王安石
D.
赵孟顿
查看完整题目与答案
【单选题】You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. Then you go to device manager to see the status of the USB port. The statu...
A.
Update the scanner drivers using certified drivers
B.
Enable the USB port in the computers BIOS.
C.
Contact the maker or vendor for you system and obtain the current version of BIOS.
D.
Enable the USB hub controller in device manager.
查看完整题目与答案
【单选题】NerdHerd Electronics sells three different sizes of televisions at three different prices. In this case, the company's pricing strategy is referred to as ________ pricing.
A.
product line
B.
optional-product
C.
by-product
D.
product bundle
E.
captive-product
查看完整题目与答案
【简答题】对暴发性肝炎评价临床抢救效果时最恰当的指标应是（ ）
查看完整题目与答案
【单选题】Before going out for a trip, you should get everything ready ______.
A.
on time
B.
in advance
C.
by chance
D.
before long
查看完整题目与答案
【单选题】Which command do you use to display the status of an antivirus database update?（）
A.
show security utm anti-virus status
B.
show security anti-virus database status
C.
show security utm anti-virus database
D.
show security utm anti-virus update
查看完整题目与答案
【多选题】Which of the following do variable costs involve? _____.
A.
port charge
B.
loading and unloading costs
C.
repair and maintenance expenses
D.
costs of fuel
查看完整题目与答案
【单选题】---What will you do if it ___ tomorrow? ---We have to carry it on,since we've got everything ready.
A.
rain
B.
will rain
C.
rains
D.
is raining
查看完整题目与答案
【单选题】While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indica...
A.
The port is experiencing errors
B.
The port is administratively disabled
C.
The port is blocked by spanning tree
D.
The port has an active link with normal traffic activity
查看完整题目与答案
【单选题】Which port status does the interface enter when UDLD detects a unidirectional link?
A.
shutdown
B.
up/up
C.
down/down
D.
errdisable
查看完整题目与答案
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