水的质量流量为20t/h，温度为90℃（90℃时水的密度为965.3kg/m3），则体积流量为（）m3/h

My father was born _____September 20th,1970. [ ] In the 20th century, English literature_____________ coexist. It is implied in the last paragraph that in the second half of the 20th century（）. Father’s Day will come _____June 20th this year.[ ] Which of the following best explores American dream in the 20th century? _____ Which of the following best explores American myth in the 20th century? _____ When was the first case of AIDS in the world discovered in the 20th Century（） Which of the following best explores American myth in the 20th century? Do you know___________ in Ya’an? — On the 20th of April，2013. Preeclampsia occurs primarily innulliparas after the 20th gestational week and is a triad of ______ was not until the early 20th century _____ the importance of his ideas was realized. Mother has ____ to give her a watch on her 20th birthday.（　　） 海水密度的增加与温度、盐度有关，温度（）或盐度（）都会导致海水密度增加。 What’s _____most useful invention in the 20th century? —_____ computer, I think. Obama , the first black president in American history , _______ presidency on January 20th ,2009. As is announced in the newspaper, the 20th World Cup __________ in 2014 in Brazil between June and July. I was born _____ July 20th, 1992. My birthday is coming soon. [ ] _______ in the early 20th century, the school keeps on inspiring children’s love of art. On July 20th, 1969, two American____ planted the first human footsteps on the moon（） With the arrival of the 20th century, the United States became increasingly urbanized, particularly in the ____ _____ cities.