重點講解：
1. point to 顯示；表明；
例句：Earlier reports pointed to pupils working harder, more continuously, and with enthusiasm.
早些時候的報告顯示學生學習更為刻苦、持久，并且懷有學習熱情PFS&]aAfel6uaST0%。
2. be exposed to 使暴露于（險境）；使遭受（危險或不快）；
例句：This plant can't be exposed to strong sunshine.
這種植物不能暴露在強光下~=dihgF;nqB04Q1ej#2S。
3. even if 即使；盡管；縱然；
例句：Even if she is responsible for the mistake, she is not likely to own up to it.
即使是她犯的錯，她也不太可能會爽快承認的125hgx7ur6kF。
4. rely on 依賴；依靠；
例句：We will get nowhere if we rely on luck.
如果我們只依靠運氣，那將一事無成yIei,cowwmxi1NN76*]i。