【单选题】The notice of casualty to a ship must include ______.
A.
a request for assistance
B.
the location of the unit at the time of the casualty
C.
an estimate of the cost to repair damages
D.
the amount of fuel remaining
【单选题】下列关于α-螺旋结构的叙述,哪项是正确的
【单选题】下列关于蛋白质α螺旋结构的叙述不正确的是
【单选题】32 Which statement is NOT true of Covent Garden?
A.
It is crowded with people.
B.
It is located in London.
C.
It is filled with stalls.
D.
It is surrounded by shops, Churches restaurants and cafes.
【单选题】下列关于蛋白质 α 螺旋结构的叙述哪一个是正确的?
【单选题】All the historic sites within the range of Three Gorges Reservoir have been ______ to some new locations high above. [ ]