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【单选题】
行细胞分裂,分化产生年轮的组织是
A.
形成层
B.
木质部
C.
韧皮部
D.
木栓形成层
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举一反三
【单选题】On what occasion is the author likely to be moved?
A.
A young person cheated of the best firings in life.
B.
A genius athlete breaks a world record.
C.
A little girl suffers from an incurable disease.
D.
When the curtain comes down on a touching play.
【单选题】常作为粉末直接压片中的助流剂的是
A.
淀粉
B.
糊精
C.
糖粉
D.
微粉硅胶
E.
交联聚维酮
【单选题】In china what will a hostess prepare fir dinner if there are several visitors?
A.
at least eight dishes.
B.
tea and cake
【单选题】What's your earliest childhood memory? Can you remember learning to walk? Or talk? The first time you【C1】______ thunder or watched a television program? Adults seldom【C2】______ events much earlier tha...
A.
listened
B.
felt
C.
touched
D.
heard
【单选题】What is the main purpose of campaigners getting into the conference room?
A.
To send the first-hand information outside of the conference.
B.
To make their ideas known to the leaders of the G20 nations.
C.
To give the world a glimpse of what G20 conference is like.
D.
To ask politicians questions about Twitter and social media.
【单选题】What is the first step in the advertising campaign decision process?
A.
a.     to make media decisions
B.
b.     to evaluate the campaign
C.
c.     to determine campaign objectives
D.
d.     to make creative decisions
【单选题】常作为粉末直接压片中的助流剂的是
A.
淀粉
B.
糊精
C.
糖粉
D.
微粉硅胶
【多选题】以下各选项中,属于电路参数的是( )。
A.
电压
B.
功率
C.
时间常数
D.
介质损耗
E.
品质因数Q
【多选题】桁架中把内力为零的杆件称为零杆。图示桁架中,零杆为 。
A.
1、2
B.
3、4
C.
5、6
D.
7
【单选题】常作为粉末直接压片中的助流剂
A.
淀粉
B.
糊精
C.
糖粉
D.
微粉硅胶
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