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【单选题】
Questions 7 to 10 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
Now, listen to the passage. After going over some basic about hearing, the teacher will lead the students to ______.
A.
put the theory learned into practice
B.
finish and check their homework
C.
solve some academic problems
D.
cure people who are experiencing hearing loss
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】下列程序段执行的结果为( )。 A＝"HELLOCANIHELPYOU" B＝"WANGCHANGLI" C＝Left(A，5)十"!" D＝Right(A，7) E＝Mid(A，6，4) F＝Mid(B，Len(B)－6．5)十"!" G＝E＋" "＋D＋"!" H＝C十" "＋F Print H＋" "＋G
A.
HELLO!CHANG!CANIHELPYOU!
B.
HELLO!WANG!CANIHELPYOU
C.
HELLO!CANIHELPYOU!
D.
HELLO!CHANG!CANIHELPYOU!
【单选题】当x分别取值，1，2，…，2005，2006，2007时，计算代数式的值，将所得的结果相加，其和等于______
A.
-1
B.
1
C.
0
D.
2007
E.
以上答案均不正确