【单选题】John passed the exam. He didn't study very hard. The exam _______ difficult.
【多选题】下列关于社会性别的理解正确的有:
A.
是由特定的社会文化所建构的男性气质和女性气质;
B.
是通过社会、文化和心理的影响所形成的男女两性在性别角色和行为等方面的差别;
【单选题】预制构件混凝土工程量均按图示尺寸实体体积以( )计算。
【单选题】John has passed the exam. He is ________ of his success.
【单选题】All the new employees have passed the first training exam _____John.
【判断题】飞机飞行的方向完全靠飞行员操纵的而不是设计师设计的成果。
【单选题】Just a little more than absolutely necessary e.g. John barely passed the exam with 60%
【判断题】现浇混凝土工程量除另有规定者外,均按图示尺寸的实际体积以立方米计算。不扣除构件内钢筋、预埋铁件及墙、板中0.3m2内孔洞所占体积。
【判断题】AES算法中密钥的长度只能是128位。( )
【单选题】--John failed in the exam again. --If he _____ hard, he would have passed earlier. A. should work B. had worked C. works D. worked