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【判断题】
目前已知的新型病毒的最有效的传播方式是血液传播。
A.
正确
B.
错误
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举一反三
【单选题】which activity is outdoor activity?
A.
chess
B.
watching TV
C.
camping
D.
surfing the internet
【简答题】Which ONE of the following describes the specific activity of an enzyme?A. Activity to catalyse a reaction with a specific substrate. B. of an enzyme per milligram of total protein. C. Activity of enz...
【单选题】Which of the following is a communicative activity?( )
A.
Listening to the weather broadcast and fill in a form.
B.
Listening to the weather broadcast and talk about a picnic.
C.
Transferring the information from the weather broadcast into a chart.
【单选题】被评估机组购建于1999年3月,主要由主机、辅助装置和工艺管道组成,账面原值 60万元人民币,其中主机占70%,辅助装置占20%,工艺管道占10%。到评估基准日,机组主机价格下降2%,辅助装置价格上升1%,工艺管道价格上升了5%。该机组评估基准日的重置成本最接近于( )万元。
A.
61.26
B.
59.58
C.
62.4
D.
58.58
【单选题】When one Activity wants to start another activity it creates an Object that specifies which Activity it wants to start. What is the type of this Object?
A.
Intent
B.
Thread
C.
Activity
D.
BroadcastReceiver
【单选题】In metabolic acidosis, which of the following changes in enzyme activity is correct ( )
A.
reduced activity of carbonic anhydrase
B.
increased activity of glutamic acid decarboxylase
C.
Increased activity of gamma-aminobutyric acid transaminase
D.
decreased glutaminase activity
E.
pyruvate decarboxylase activity increased
【简答题】Cortex-M3 处理器采用什么架构?
【多选题】工业机器人主要由 、 和 组成。下图中1表示 ,2表示 ,3表示 ,4表示 。
A.
操作机
B.
控制器
C.
示教器
D.
末端执行器
E.
操作机
F.
控制器
G.
示教器
【单选题】ARM Cortex-M3 处理器采用 ARM 架构:
A.
ARMV5
B.
ARMV7-M
C.
ARMV7
D.
ARMV6
【简答题】若A1和A2两表以共同的“学号”字段建立联接查询,有8条学号相同的记录,各自有2条不相同的记录。内部联接的查询有____条记录,左联接有____条记录,完全联接有____条记录。
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