I went to Japan, believing that my Japanese will improve (if I go) there, but I spoke only in English with Japanese there, so (contrary to my expectation) my Japanese became worse when I came back here.
(Contrary to your expectation) if you study at a small, private college, you can receive better education than to study at the so-called first-rate university.
(e).
アルコールも適量飲めば、かえって、体にいいそうだ。
Alcohol is said to be rather good for your health if you drink it in moderate quantity.