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【多选题】
Given: Which two, inserted at line 11, will allow the code to compile?（）A.
public class MinMax> {
B.
public class MinMax extends Number> {
C.
public class MinMax {
D.
public class MinMax {
E.
public class MinMax extends Object> {
F.
public class MinMax {
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反馈参考答案：
举一反三
【多选题】What are the important features of a task as defined in a task-based syllabus?
A.
A task should have a clear purpose
B.
A task should have some degree of resemblance to real-world events
C.
A task should involve information seeking, processing and conveying, it should involve the students in some modes of doing things and the meaning-focused use of language.
D.
A task should end with a tangible product.
【单选题】深沟球轴承内圈承受大小和方向均不变的径向负荷,在设计图样上,该内圈与轴颈的配合采用较紧的配合,它决定于该内圈相对于负荷的方向( )。
A.
静止
B.
摆动
C.
旋转
D.
摆动和旋转
【简答题】____是诊断牙龈有无炎症的重要指标之一,对判断____也有重要的意义。
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