2.The union memebers boycotted the meeting because they did not want to go on with the strike.
(A) attended v. 参加；注意；照料（attend的过去分词）；伴随
(B) shunned v. 避免；躲开（shun的过去分词）
(C) blackmailed  n. 勒索，敲诈；勒索所得之款 vt. 勒索，敲诈

3.The first step in planning a marketing strategy for a new product is to analyze the breakdown of sales figures for competitive products.
(A) decrease in 减少
(B) reordering of 重新排序的
(C) itemization of ....分项

4.Diplomatic misunderstandings can often be traced back to blunders in translation.
(A) mistakes n. 错误（mistake的复数形式）
(B) attempts n. 企图，试图；尝试（attempt的复数）
(C) insults n. 无礼；损害（insult的复数）

5.The yellow-necked caterpillar defends itself by squirting an acid secretion beneath its thorax(胸腔）.
(A) below prep. 在…下面
(B) through prep. 通过；穿过；凭借
(C) out of  由于；缺乏；自…离开；用…（材料）

6.Many people suggest that a bleak landscape is the most characteristic feature of his paintings.
(A) desolate adj. 荒凉的；无人烟的
(B) colorful adj. 华美的；有趣的；富有色彩的
(C) distorted adj. 歪曲的；受到曲解的

答案：CBCA AA

详解：
1.biographies
n. 列传，传记（biographie的复数形式）
He supplied his works not only with biographies, but with portraits of their supposed authors. 
他不仅在他的作品上提供作者传记，而且还提供假想作者的画像。

2.boycotted
vt. 联合抵制；拒绝参加
This is something you can't do if films are boycotted. 
如果电影被抵制，那你们就不可能做到这一点。

3.breakdown of
崩溃的
"Unfortunately, narcissism can also have very negative consequences for society, including the breakdown of close relationships with others," he said.
但不幸的是，自恋也会对社会产生一些十分消极的影响，其中包括导致和他人关系的破裂等。

4.blunders
错误
I think he made a tactical blunder by announcing it so far ahead of time.
我认为他如此提早宣布消息是犯了战术上的错误。

5.beneath
prep. 在…之下
Four levels of parking beneath the theatre was not enough.
剧院底下的四层停车库还不够。

6.bleak
adj. 阴冷的；荒凉的，无遮蔽的；黯淡的，无希望的；冷酷的；单调的
The immediate outlook remains bleak.
最近的前景依然很黯淡。