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【单选题】
基本轨除承受车轮的垂直压力外,还与尖轨共同承受车轮的( )水平推力。A.
. 纵向
B.
竖向
C.
横向
D.
斜向
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】下列生活中的物理数据最接近实际的是（ ）
A.
人正常速度骑自行车的功率为1kW
B.
把2个鸡蛋匀速举高1米做功20J
C.
普通日光灯正常工作电流约150mA
D.
不高于220V的电压对人体是安全的
【单选题】有如下程序段:执行这个程序段后输出字符*的个数是 ________。 int i=1; while(1){ i++; if(i==30)break; if(i%3==0) cout<<'*'; }
A.
10
B.
8
C.
9
D.
30
【单选题】有如下程序段：inti=1;while(1){i++;if(i==30)break;if(i%3==0)cout<<'*';}执行这个程序段后输出字符*的个数是< /div>
A.
10
B.
8
C.
9
D.
30
【单选题】Which of the following statements is tree ______ .
A.
Scientists have solved the mystery about the fish killer.
B.
More studies need to be made about the fish killer.
C.
It is proved that the algae are reducing fish populations.
D.
Humans have already been affected by the toxin.
【单选题】Which of the following statements is closest in the meaning to the underlined sentence above?
A.
Kindness and violence can change the world.
B.
Kindness and violence can affect one's behavior.
C.
Kindness and violence can reproduce themselves.
D.
Kindness and violence can shape one's character.
【单选题】Which test is not included in the routine test for ABO system?
A.
red cell grouping or forward type
B.
serum grouping
C.
coombs
D.
reverse type
相关题目：
【单选题】有如下程序段：inti=1;while(1){i++;if(i==30)break;if(i%3==0)cout<<'*';}执行这个程序段后输出字符*的个数是< /div>
A.
10
B.
8
C.
9
D.
30