【单选题】1750年,卢梭参加第戎学院的征文写作了()而一举成名。
【单选题】According to the passage, how to understand “wear their hearts on their sleeves like Americans” in paragraph 1?
A.
Americans like to wear their hearts on their sleeves.
B.
Americans like to show their hearts with their sleeves.
C.
Americans are difficult to show their emotions.
D.
Americans are easy to show their emotions.
【单选题】某饱和试样高度为4 cm,试样面积A=10 c㎡,在3 m水头差作用下测其渗透系数k,若经过2分钟测得渗透水量为20亳升,则渗透系数k=()。
【单选题】爱因斯坦曾说:“我们吃别人种的粮,穿别人缝的衣服,住别人造的房子,每个人从生到死,社会都在支配着他的物质生活和精神生活。”这句名言寓意着( )
B.
任何社会的存在和发展都是每个人及其集体努力的结果
【单选题】His aim was to______pride in being black and to inspire black Americans to campaign for equal rights.
【单选题】The “first Americans” were the ().