1．People are encouraged to speak openly, but careless words are ________ to hurt others' feelings.
A．possible B．probable
C．likely D．sure
答案与解析：C 常用sb./sth. be likely to do或it's likely＋从句，表示“可能”；certain表示“确定的”；probable后常跟that从句表示“很有可能”；be sure to do sth.指“一定做某事，务必去做某事”。
2．Don't ________. You will ________ new customs and different ways of thinking.
A．lose your heart; apply to
B．lost heart; apply yourself to
C．lose your heart; adapt to
D．lose heart; adapt yourself to
答案与解析：D 句意：别灰心，你很快就会适应新环境和不同的思维方式。lose heart“灰心”，是固定搭配；adapt oneself to“使某人自己适应……”。
