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选择填空：在食物的营养成分中 (1)既是细胞组成成分，又是机体能源物质的是_________。其中，由氨基酸组成的物质是________；在谷类和根茎类食物中含量丰富的是_______；由甘油和脂肪酸组成，大部分作为备用能源物质贮存于的是_________。 (2)种类很多，需要量很小，一旦缺乏，就会影响正常生命活动的是_________。 (3)本身没有营养价值，但对维持人体健康有重要作用，被称为“第七营养素”的是_____A．蛋白质 B．脂肪 C．糖类 D．水 E．维生素 F．膳食纤维
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【简答题】The treasured books should be put in ________. A)built-in bookshelves B)freestanding bookcases C)hanging bookshelves D)glass cases
【单选题】What is the purpose of the relief valve of a cargo pump ________．
A.
Provides for the removal of vapors
B.
Allows two or more tanks to be filled at the same time
C.
Provides for the emergency shutdown of the pump
D.
Permits the return of cargo to the suction side of the pump
【单选题】The treasured books should be put in ______.
A.
built-in bookshelves
B.
freestanding bookcases
C.
hanging bookshelves
D.
glass cases
【单选题】Relief workers were shocked by what they saw.
A.
moved
B.
Touched
C.
Surprised
D.
worried
【单选题】Relief workers were shocked by what they saw.
A.
moved
B.
touched
C.
surprised
D.
worried
【单选题】No freestanding fitment may exceed a height of ** meters or extend ___the boundaries of the site.
A.
by
B.
over
C.
beyond
D.
to
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