what does" we couldn't punch out of a wet paper bag" mean? could you explain it in details, it seems this is a phrase or slang, but i can't figure out.

what does "you are doing my head in" mean? learn from a english tv series, but i don't know what it means, and in what situation that we can say it? many thanks

could u plz help me to improve these introduction, many thx As a large-scale holding company, China Greensta Company Limited is specialized in investment in new energy, and also（also，it was） was the first to go into （involve into） the research and development, production and sale of methanol fuel. Its total asset is RMB 2.127 billion. its annual output value is now over RMB 5 billion, （and expected）to be over RMB 23 billion in next two years. The company has invested in a number of methanol gasoline projects in Hubei, Jiangsu, Shanxi, Zhejiang and etc. The projects, （which were ）completed or under construction， exceed 2.5 million tons. Through a decade of efforts, China Greensta has made remarkable achievement in the methanol gasoline industry for which（as） the best evidence is a trouble-free use of Greensta Huadun Brand methanol gasoline in 80 million vehicles. Moreover, the company is the sole supplier of methanol gasoline for Sinopec Group and Petro China. As a leader of domestic methanol gasoline, the people （staff）at Greensta are purposed to complete a production scale of 20 million tons during the 12th Five-Year period, making contributions to the undertaking of new energy and environmental protection in China.

benjamin211's notebook entry: May 24, 2011 is any one in beijing now? let's have a date in beijing!

what I've learnt today I have not been here for several days, i miss you guys very much, lol. last weekend, i took my IELTS exam, it was more complicated than i expected, and i was too nervous to tried my best, but i take it for granted that i can get a satisfactory score. today i read an article talking about the patterns of culture, to put it mildly, it was a complex article, not only for its structure that was full of out right complex sentence, but for the content of the passage was not straightforward. but i learn from this passage that no man ever looks at the world with pristine eyes. He sees it edited by a definite set of customs and institutions and ways of thinking, for from the moment of his birth, the customs into which he is born shape his experience and behaviour. by and large, i consider these statement stand to reasons.