田径长距离赛跑总是逆时针方向、向左侧转弯绕圈，主要科学依据是

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问题单项选择题

田径长距离赛跑总是逆时针方向、向左侧转弯绕圈，主要科学依据是（）.

A、保护偏左的心脏

B、左脚比右脚有力

C、裁判员的视觉习惯

D、大多数跑步人的习惯

答案

参考答案：B

填空题

用括号内所给单词的适当形式填空。

1. She often ______ (watch) TV in the evening.

2. I like ______ (play) ping-pong on weekends.

3. My sister ______ (clean) her room now.

4. Look! Lucy and Lily ______ (dance).

单项选择题

以下有关数组定义的语句序列中，错误的是

A．Static　arr1(3) Arr1l(1)=100 Arr1(2)=“Hello”Arr1(3)=123.45

B．Dim art2( )As Integer Dim size As Integer Private Sub Command2_Click( ) size=Input Box(“输入：”) ReDinarr2(siz …… End Sub

C．Option Base 1 Private　Sub Command3_Click( ) Dim arr3(3) As Integer …… End Sub

D．Dim n As Integer Private Sub Command4_Click( ) Dim arr( As Integer …… End Sub