1.Some educators try to put students of similar abilities into the same class because they believe this kind of _________ grouping is advisable. A) homogeneous B) instantaneous C) spontaneous D) anonymous 1 .【译】有些科学家试图把能力相似的学生安排在同一个班,因为他们认为这种同类组合可取。 【解析】正确选项为A ),属于形容词辨析题。 选项A ) homogeneous意为"同种类的,同性质的"; 选项B ) instantaneous意为"瞬间的,"; 选项c ) spontaneous意为"自发的"; 选项D ) anonymous意为"匿名的"。 2. Even sensible men do _________ things sometimes. A) abrupt B) absurd C) acute D) apt 2【译】即使明智的人有时也会做出荒唐可笑的事。 【解析】正确选项为B ),属于形近词辨析题。 选项B)absurd意为"荒谬的,"; 选项A ) abrupt意为"突然的,意外的"; 选项C ) acute意为"激烈的;严重的"; 选项D ) apt意为"易于," 3. The commission would find itself _________at every turn if its members couldn t reach an agreement. A) collided B) savaged C) crumbled D) hampered 3 .【译】如果委员们不能达成一致意见,该委员会的意见将处处受阻。 【解析】正确选项为D ),属于动词辨析题。 选项D ) hampered意为"妨碍,限制",; 选项A)collided意为"冲突,互撞"; 选项B ) savaged意为"激烈抨击"; 选项C ) crumbled意为"弄碎"。 4. Grain production in the word is _________ but still millions go hungry. A) staggering B) shrinking C) soaring D) suspending 4 .【译】世界粮食产量增长很快,但仍有数百万人在挨饿。 【解析】正确选项为C ),属于动词辨析题。 选项C ) soaring意为"迅猛增长;高飞",如:a soaring eagle(凌空翱翔的鹰)。 选项A ) staggering"摇晃;使吃惊"; 选项B ) shrinking意为"意为缩,退缩;" 选项D ) suspending意为"暂停,终止"。 5. He developed a _________ attitude after years of frustration in his career A) sneaking B) disgusted C) drastic D) cynical 5【译】由于近年来职业生涯屡受挫折,他变得有些愤世嫉俗。 【解析】正确选项为D ),属于形容词辨析题。 选项D ) cynical意为"愤世嫉俗的",如:a cynical remark(风凉话)。 选项A ) sneaking意为"偷偷地走"; 选项B ) disgusted意为"厌恶的"; 选项C ) drastic意为"严厉地;极端的"。 6. They believed that this was not the _________ of their campaign for equality but merely the beginning. A) climax B) summit C) pitch D) maximum