治疗沙眼衣原体的常用药物是()
A.青霉素
B.头孢曲松
C.干扰素
D.红霉素
E.大观霉素
参考答案:D
解析:沙眼衣原体的常用药物为多西环素、红霉素以及喹诺酮类药物。
窗体上有一个名称为List1的列表框,一个名称为Text1的文本框,一个名称为Labe11、 Caption属性为"Sum"的标签,一个名称为Command1、标题为“计算”的命令按钮。程序运行后,将把1~100之间能够被7整除的数添加到列表框中。如果单击“计算”按钮,则对List1中的数进行累加求和,并在文本框中显示计算结果,如下图所示。以下是实现上述功能的程序,请填空。 Pfivate Sub Form_Load() Fori=1 To 100 If iMod7=0 Then [6] End If Next End Sub Private Sub Commandl_Crick() Sum=0 Fori=0 To List1.List Count-1或14 Sum=Sum+ [7] Next Textl:Text=Sum End Sub
(A) 条件(1)充分,但条件(2)不充分. (B) 条件(2)充分,但条件(1)不充分. (C) 条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分. (D) 条件(1)充分,条件(2)也充分. (E) 条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
A piece of paper in the shape of an isosceles right triangle is cut along a line parallel to the hypotenuse of the triangle, leaving a smaller triangular piece. If the area of the triangle was 25 square inches before the cut, what is the new area of the triangle (1) The cut is made 2 inches from the hypotenuse. (2) There was a 40 percent decrease in the length of the hypotenuse of the triangle.