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【单选题】
我国《婚姻法》规定的结婚法定程序是A.
登记制
B.
仪式制
C.
登记与仪式结合制
D.
备案制
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【简答题】学习通中的任务点,未完成的任务点是( )色圆点,已完成的任务点是( )色圆点。
【单选题】When a ship in loaded condition floats at arbitrary water line, its displacement is to the relevant mass of water displaced by the ship.
A.
equal
B.
larger
C.
smaller
D.
equivalent
【单选题】Ice floats because it is not as dense as water.
A.
冰可漂浮在水面上是因为冰不像水那么重。
B.
冰浮起是因为它的密度比水的密度小。
C.
冰可漂浮是因为冰不像水那么稠密。
【简答题】Ice is not as dense as water and it therefore floats.
【单选题】Ice is _____ than water because _____.
A.
less dense; frozen water maintains more hydrogen bonds than liquid water
B.
less dense; liquid water maintains more hydrogen bonds than frozen water
C.
denser; frozen water maintains more hydrogen bonds than liquid water
D.
denser; liquid water maintains more hydrogen bonds than frozen water
E.
denser; frozen water cannot hydrogen bond
【单选题】He had a strange hairstyle and he instantly became the ________ of attention the moment he stepped into the classroom.
A.
aim
B.
focus
C.
direction
D.
point
【单选题】若用8位0,1表示一个二进制数,其中1位即最高位为符号位,其余7位为数值位。 的原码、反码和补码表示,正确的是
A.
10001111，11110000，11110001
B.
00001111，01110000，01110001
C.
00001111，00001111，00001111
D.
00001111，01110001，01110000
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