Text 4 Here amid the steel and concrete canyons, green grass grows. A naked cockspur hawthorn tree stands in new soil, and freshly dug plants bend in the wind. But Chicago City Hall here seems an unlikely spot for a garden of any variety. Especially 20, 000 square feet of gardens. On it’s roof. As one of a handful of similar projects around the country, the garden is part of a $1.5 million demonstration projected by the city to reduce its "urban heat islands", said William Abolt, the commissioner of the Department of Environment. Heat islands dark surfaces in the city, like rooftops-soak up heat. The retention can bake a building, making it stubborn to cooling. The roof of City Hall, a 90-year-old gray stone landmark on LaSalle Street in the heart of downtown, has been known to reach temperature substantially hotter than the actual temperature on the street below. The garden will provide greenery and shade. "And that," said the city officials, &qu
A. Because the City Hall is large.
B. Because the mayor had urged the environmental department to do so.
C. Because it can make people understand their impact on environment better through a public building.
D. Because the experts just want to make the City Hall a convenient laboratory.
Text 4 Here amid the steel and concrete canyons, green grass grows. A naked cockspur hawthorn tree stands in new soil, and freshly dug plants bend in the wind. But Chicago City Hall here seems an unlikely spot for a garden of any variety. Especially 20, 000 square feet of gardens. On it’s roof. As one of a handful of similar projects around the country, the garden is part of a $1.5 million demonstration projected by the city to reduce its "urban heat islands", said William Abolt, the commissioner of the Department of Environment. Heat islands dark surfaces in the city, like rooftops-soak up heat. The retention can bake a building, making it stubborn to cooling. The roof of City Hall, a 90-year-old gray stone landmark on LaSalle Street in the heart of downtown, has been known to reach temperature substantially hotter than the actual temperature on the street below. The garden will provide greenery and shade. "And that," said the city officials, &qu
A. a little bit.
B. in fact.
C. materially.
D. considerably.
窗体上有两个名称分别为Text1、Text2的文本框。Text1的KeyUp事件过程如下：
Private Sub Text1_KeyUp(KeyCode As Integer, Shift As Integer)
Dim c As String
c=UCase(Chr(KeyCode))
Text2.Text=Chr(Asc(c)+2)
End Sub
当向文本框Text1中输入小写字母a时，文本框Text2中显示的是（）。
我来回答:
