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【单选题】
疟原虫对人体的感染阶段是?A.
配子体
B.
大滋养体
C.
裂殖体
D.
子孢子
E.
包囊
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反馈参考答案：
举一反三
【单选题】The availability of fixed nitrogen, an essential nutrient, may have limited the size of the primordial biosphere. As early cells acquired a capacity to fix atmospheric nitrogen, the biosphere expanded...
A.
2
B.
2.5
C.
3
D.
3.5
【单选题】6502电气集中,在办理人工解锁时,QJ的落下时机是( )。
A.
KF-ZQJ-Q无电→QJ↓
B.
1RJJ↑→QJ↓
C.
XJJ↓→QJ↓
D.
KF-RJ-H无电→QJ↓
【单选题】以下程序的输出结果是 #include main( ) { char a[5][10]={ "one","two","three","four","five" }; int i, j; char t; for(i=0 ; ia[j][0]) { t= a[i][0]; a[i][0]=a[j][0]; a[j][0]=t; } puts(a[1]); }
A.
fwo
B.
fix
C.
two
D.
owo
【单选题】以下语句,当 x=( )时,输出结果为True。 Print Sgn(Int(x) >= Fix(x) And Fix(x) >= CInt(x)) = -1
A.
3.5
B.
2.5
C.
-3.5
D.
-2.5
【简答题】By 2050 there will have been an extra 2.5 billion people on earth. And what will they eat? To solve the problem, we should have to double our food production. We can also develop a diet of algae（海藻）, ...
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