第一节 单项填空（共10小题，每小题1分，满分共10分）
1. What kind of things do people often buy during _____ Christmas and _____ Spring Festival?
A．/ ; the B．the; / C．the; the D．/; /
2. ---Are you happy with this lab?
---Not a little. We can’t have _______.
A．a worse one B．a nicer one C．such a worse one D．such a nicer one
3. Children _____ to difficult situations are better at handling those _____ tasks.
A．exposing; challenging; B．exposed; challenged
C．exposed; challenging D．exposing; challenged
【答案】C
【解析】
试题分析：句意：接触困难形势的孩子更擅长处理这些有挑战的任务。第一空是定语修饰children，因为be exposed to暴露于，所以用过去分词exposed做定语，第二空是形容词challenging“有挑战性的”，选C。
考点：考查过去分词和形容词
4. He must have been annoyed by something yesterday, _____?
