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搜题
【单选题】
神经-骨骼肌接头处传递的阻断剂是:
A.
美洲箭毒
B.
胆碱酯酶
C.
四乙基胺
D.
阿托品
E.
乙酰胆碱
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【多选题】The teacher asks the students to imagine 2 images of Spud Webb in paragraph3.Which of the following is the purpose of the design?
A.
Through imagination and standing in the coach's perspective to restore the meaning of "mind”, the students will understand the text more deeply.
B.
The students are encouraged to think about how Spud held fast to his dream in senior by standing in Spud's perspective .
C.
T he students can more directly and profoundly perceive Spud’s loneliness and hardship in the journey of pursuing dreams .
D.
T he teacher leads the students to experience personage's emotion and develop the their deep thinking.
【单选题】下列函数在x=0处连续的是(  )
A.
f(x)= -1,(x≤0) x-1,(x>0)
B.
f(x)=lnx
C.
f(x)= |x| x
D.
f(x)= -1,(x>0) 0,(x=0) 1,(x<0)
【单选题】下列表达式中,可以正确表示x≤0或x)1的关系是( )。
A.
(x>=1)||(x<=0)
B.
x>l||x=0
C.
x>=1 OR x<=0
D.
x>=1 && x<=0
【多选题】用丁字尺和三角板组合可以绘制完成的几何图形有
A.
圆内接正六边形
B.
圆内接五边形
C.
圆内接正四边形
D.
圆内接正三角形
【单选题】下列表达式中,可以正确表示x≤0或x≥1的关系是( )。
A.
(x>=1)‖(x<=0)
B.
x>1‖x=0
C.
x>=10Rx<=0
D.
x>=1&&x<=0
【简答题】Which ofthe following features is NOT one of the design features of language?A. a. Symbolic. B. b. Dual. C. c. Productive. D. d. Arbitrary.
【判断题】签收作业中下货难叠时,零散货品要集中放在一起。
A.
正确
B.
错误
【单选题】人工铺筑石灰煤渣土松铺系数为( )。
A.
1.5~1.7
B.
1.6~1.8
C.
2.0~2.7
D.
2.5~2.7
【单选题】表达式~0x11的值是( )。
A.
0xFFEE
B.
0x71
C.
0x0071
D.
0xFFE1
【简答题】2. Which of the following features is NOT one of the design features of language?A. a. Symbolic. B. b. Dual. C. c. Productive. D. d. Arbitrary.
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