新立得无法打开，是什么问题？？

这里是查了app-get之后得到的，但是不知道问题在哪儿，求高手帮忙…………
mylove@mylove-Lenovo-G450:~$ apt-get
apt 0.8.13.2ubuntu2，用于 i386 构架，编译于 Apr 7 2011 11:11:21
Usage: apt-get [options] command

apt-get [options] install|remove pkg1 [pkg2 ...]

apt-get [options] source pkg1 [pkg2 ...]


apt-get is a simple command line interface for downloading and
installing packages. The most frequently used commands are update
and install.


Commands:

update - Retrieve new lists of packages

upgrade - Perform an upgrade

install - Install new packages (pkg is libc6 not libc6.deb)

remove - Remove packages

autoremove - Remove automatically all unused packages

purge - Remove packages and config files

source - Download source archives

build-dep - Configure build-dependencies for source packages

dist-upgrade - Distribution upgrade, see apt-get(8)

dselect-upgrade - Follow dselect selections

clean - Erase downloaded archive files

autoclean - Erase old downloaded archive files

check - Verify that there are no broken dependencies

markauto - Mark the given packages as automatically installed

unmarkauto - Mark the given packages as manually installed

changelog - Download and display the changelog for the given package

download - Download the binary package into the current directory


Options:

-h This help text.

-q Loggable output - no progress indicator

-qq No output except for errors

-d Download only - do NOT install or unpack archives

-s No-act. Perform ordering simulation

-y Assume Yes to all queries and do not prompt

-f Attempt to correct a system with broken dependencies in place

-m Attempt to continue if archives are unlocatable

-u Show a list of upgraded packages as well

-b Build the source package after fetching it

-V Show verbose version numbers

-c=? Read this configuration file

-o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp

See the apt-get(8), sources.list(5) and apt.conf(5) manualpages for more information and options.

This APT has Super Cow Powers.
mylove@mylove-Lenovo-G450:~$