The expo kicked off on Aug 1 and will end on Aug 20.
The federal budget for financial year 2020/21, which Frydenberg was due to deliver in May, has been postponed until Oct 6.
The exams will be rescheduled in the near future, while the date is yet to be decided, according to local education authorities.
The exhibition will be open until June 30.
The exhibition also reflects important events in the Forbidden City's 600-year history, with exhibits including items used in its construction and historical documents.
The federation of trade unions of Xicheng district issued a suggestion in January, calling for companies and organizations that can afford to do so to offer such rooms for migrant workers and couples.
曲靖沾益做的无痛人流最低多少钱
The event, which will be co-hosted by the Sino-American Aviation Heritage Foundation, will commemorate the battle of the Flying Tigers in China on Dec. 20, 1941, following Japan's surprise attack on Pearl Harbor in Hawaii on Dec. 7 that year.
The figure compares to a day earlier when 33 additional crew members aboard the Italian cruise ship docked in the Koyagi district of Nagasaki City for repairs, tested positive for COVID-19, following one member testing positive on Tuesday.
The figure was 1.2 billion at the end of 2017, according to data from the State Administration of Foreign Exchange (SAFE).
The exhibitors will vie to present their latest achievements in floriculture in the 503-hectare expo site at the foot of the Great Wall in Beijing's Yanqing district.