小题1:D
小题2:C
小题3:C
小题4:A
小题5:C
小题1:细节理解题，根据文中语句“About 70 years ago, an American man called Walt Disney created（创造） a cartoon mouse for films. He named this mouse Mickey Mouse.”理解可知。米老鼠是美国人创造的，故来自美国，选D。
小题2:细节理解题，根据文中语句“an American man called Walt Disney created（创造） a cartoon mouse for films.”理解可知。是一个叫Walt Disney的人创造了米老鼠。
小题3:细节理解题，根据文中语句“He always does many interesting things. That’s why many children and people love him.”理解可知。人们喜欢米老鼠的主要原因就是它能给人们带来快乐。故选C。
小题4:词义理解推断题，根据文中语句“He makes them happy and tickles them .”理解可知。这个短语和前面的make them happy是一样的，故选A。
小题5:细节理解题，根据文中语句“Pluto is a dog. He always does foolish things and makes foolish mistakes.”理解可知。Pluto是一条非常愚蠢的狗，故选C。