專四考試中，有語言知識一項，一共有20題，其實就是詞彙語法題啦。而且不止是語言知識，完形填空也必須用到語法。語法看似簡單，而且都是選擇題，但是也是失分點，為了讓大家保證在這項上不失冤枉分，小編為大家帶來專四語法每日一練，今天的專四語法5道題又來啦！
mustn’t relax our vigilance___.
A in the least B at least C at most D in the end
2. During the reading lesson, the teacher asked the students to read a few __ from the novel.
A pieces B essays C fragments D extracts
3. But they also __ beyond the individual places and consider the earth as a whole.
A pass B reach C go D set
4. How human beings and their environment act __ each other.
A upon B for C as D to
5. The mere fact __ most people believe nuclear war would be madness does not mean that it will not occur.
A what B which C that D why
（做完後才能看答案哦！）
1．選A
① in the least 絲毫，一點They don’t in least understand this.②in the end 最後，終於
In the end they reached their destination before dusk.
③at least至少
④at most至多
2．選D ① extract 做節錄，引文，選段
He applied to the publisher for permission to reprint an extract.
②fragment 碎片，斷片，（文藝作品等的.）殘存部分
Liberty and civilization are only fragments of rights wrung from the strong hands of wealth and book learning.
③essay 散文，小品文，隨筆，短文，評論
3．選C go beyond超過，超出 These issues go beyond the range of language study. 而set和pass，reach不與beyond搭配。
4．選A ①act upon作用於 This drug act upon (on) the nerves.
②act as 作為……而作出反應，充當
His job was to act as a link between the government and the press.
③work at從事 She had been wondering what she should work at in order to gain her doctorate.
5．選C 從句子結構來看，fact後接的是同位語從句。
