[多选]
Click the Exhibit button. What two must the programmer do to correct the compilation errors? （）

A . insert a call to this() in the Car constructor
B . insert a call to this() in the MeGo constructor
C . insert a call to super() in the MeGo constructor
D . insert a call to super(vin) in the MeGo constructor
E . change the wheelCount variable in Car to protected
F . change line 3 in the MeGo class to super.wheelCount = 3

Which of the following commands can be used to clean up a failed software installation process？（） installp -D。 installp -d。 installp -C。 installp -c。结合实际谈谈如何维护和增进大学教师的心理健康？ A file on the system ahs been lost, but the latest version is on a mksysb tape. The file is extracted from this mksysb tape by loading the tape. Which of the following indicates where the tape will be skipped forward?（） Third image, and resoting the file with the tar command。 Third image, and restoring the file with the dd command。 Fourth image, and restoring the file with the restore command。 Fourth image followed by the tar command。若随机变量，且未知，从中随机抽取样本，并经计算得到其均值为，则由估计μ的置信度为95%的置信区间时，置信区间的宽度（）。是确定的。是随机的。是人为规定的。无法确定的。 There is a problem starting a telnet session on a system. Which of the following daemons should be checked?（） tftpd 。 inetd 。 getty 。 rlogind。

Click the Exhibit button. What two must the programmer do to correct the compilation errors? （）

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[多选] Click the Exhibit button. What two must the programmer do to correct the compilation errors? （）

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[多选]
Click the Exhibit button. What two must the programmer do to correct the compilation errors? （）