给下列划线的字选择合适的解释。

挺：A．硬而直。B．特别；杰出。C．勉强支撑。

①挺有意思____

②挺拔____

③硬挺着____

    The Internet ____(become) part of young people’s life already. A report shows that 38%  of students often use the Internet .  Most  of  them get ____ (use) information on the Internet ____use the Internet to help their studies. But many students don’t use it ____a good way. Some play games too much, some visit websites that____shouldn’t look at. So bad things may happen____students spend too much time on the  Internet.

    ____ is important for students to use the Internet properly. Now we have a textbook,____uses many examples to teach students some good ways to use the Internet. It gives useful ____ (advise).

    Some students also make friends on the Internet.  But  if you want to have  a face-to-face ____ (meet) with your online friends, let your parents know and meet in a proper place.

董保存《走进怀仁堂》中记叙了1938年国民政府军事委员会核定新四军编制后，遂即拨发71000元及五架无线电报机，一下就解决了南方游击队的燃眉之急。这一事例说明（    ）