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【单选题】
void lcd_write_1(unsigned char num) { rs=0; wr=0; P0=com; delayMs(5);//延时 lcden=1;// 使能e delayMs(5);//延时 lcden=0; //使能e } 改子程序,为LCD1602的( )函数
A.
写数据
B.
读数据
C.
写指令
D.
读指令
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举一反三
【单选题】具有四级结构的蛋白质的特征是
A.
分子中必定含有辅基
B.
由一条多肽链构成
C.
每条多肽链都具有独立的生物学活性
D.
依赖肽键维系四级结构的稳定性
E.
由两条或两条以上具有三级结构的多肽链构成
【单选题】— — I'm fine, thanks. [     ]
A.
How old are you?
B.
How are you?
C.
Who are you?
【简答题】免疫耐受具有免疫应答的某些共性,它们均需产生(),并具有()性和()性。
【简答题】Dictation.mp3: It (1)_____: “(2)_______.” Instead, it is (3)_____ who (4)____. Right now (5)____ is (6)____, but there are (7)_____. Most (8)____, including (9)______, pollution (10)____, and ...
【单选题】由怀揣着共同的目标且相互依赖的成员组成的团队是( )。
A.
风铃形创业团队
B.
环形创业团队
C.
星形创业团队
D.
散点形创业团队
【单选题】根据UCP600的规定,投保金额最低为CIF价或CIP价的(C)。
A.
50%
B.
80%
C.
110%
D.
130%
【单选题】– How are you ? – Fine, thanks. _______ – I’m OK.
A.
Are you ?
B.
are you ?
C.
And you ?
D.
and you ?
【简答题】Dictation 17 17.mp3:
【单选题】Which statement is true about the plan being loaded into the SQL baseline by the above command?()
A.
It is loaded with the FIXED status.
B.
It is loaded with the ACCEPTED status.
C.
It is not loaded with the ENABLED status.
D.
It is not loaded with the ACCEPTED status.
【单选题】Which vessel is most likely to be loaded full but not down ________.
A.
A bulk carrier loaded with heavy ore
B.
A bulk carrier loaded with steel
C.
A break bulk vessel loaded with palletized cargo
D.
A tanker loaded with heavy grain
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