单项选择题 Recently the young couple has _________ arguments with each other for trifles.

单项选择题 Due to American's invasion on Iraq, anti-American has been running high _________ in some countries.

单项选择题 The glass-and-steel skyscrapers erected through most of the 20th century drew much of their aesthetic as well as technological _________ from the clean lines and light appearance of late 19th century Chicago buildings such as this one.