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【单选题】
______ you are leaving tomorrow, we can eat dinner together tonight.
A.
For
B.
Since
C.
When
D.
While
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举一反三
【单选题】下列属于人体第一道防线的是
A.
吞噬细胞的作用
B.
溶菌酶的作用
C.
皮肤的保护作用
D.
打预防针预防疾病
【简答题】完形填空。 One very cold morning, my, father and I were working on the farm. I asked him how long I must stay in the 1 . 'About an hour.' he answered. 'I wish I could go hone now-my 2 aches.' 'I am sorry, ...
【简答题】请完成本次课PPT中要求的3.1.1-3.1.2-3.1.3 三个小作业(石头、枝干、梅花)。作业上传请上传“ 带石头的梅花 ”(3-18效果图)作业形式:PS下的作业成品截图和图层截图,至少两个截图哟。
【简答题】Questions 16 to 18 are based on the passage you have just heard.
【单选题】下列各式不成立的是(  )
A.
20+(-9)-7+(-10)=20-9-7-10
B.
-1+3+(-2)-11=-1+3-2-11
C.
-3.1+(-4.9)+(-2.6)-4=-3.1-4.9-2.6-4
D.
-7+(-18)+(-21)-34=-7-(18-21)-34
【简答题】阅读理解。 The Beijing Olympic s will have 21,880 torchbearers (火炬手) for the torch relay (火炬接力). It is the biggest in the s' history. Here let's know about some torchbearers. ◆ Luis Hone, 14, is fr...
【简答题】Questions 16 to 18 are based on the passage you have just heard.
【单选题】下列不属于人体第一道防线的是
A.
胃液对病菌的灭杀作用
B.
唾液中的溶菌酶对病原体的分解作用
C.
吞噬细胞的胞吞作用
D.
呼吸道纤毛对病菌的阻挡作用
【多选题】Cache的替换算法常见的有( )
A.
FIFO
B.
LRU
C.
随机法
D.
FFIF
【简答题】Questions 16 to 18 are based on the passage you have just heard.
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