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【单选题】
___ 10 You have never met each other before, have you?A.
陈述句
B.
一般疑问句
C.
特殊疑问句
D.
选择疑问句
E.
反义疑问句
F.
祈使句
G.
感叹句
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【单选题】顺序凝固和同时凝固均有各自的优缺点。为保证铸件质量，通常顺序凝固适合（ ）。
A.
吸气倾向大的铸造合金
B.
产生变形和裂纹倾向大的铸造合金
C.
流动性差的铸造合金
D.
产生缩孔倾向大的铸造合金
【单选题】A fire broke out during a ship’s transit. The captain ordered his crew to pour water on the fire. Part of paper was burned, and all the cotton was wet. Then, what were the natures of the respective lo...
A.
Particular Average/ General Average
B.
Particular Average/ Particular Average
C.
General Average/ General Average
D.
General Average/ Particular Average
【单选题】顺序凝固和同时凝固均有各自的优缺点,为保证铸件质量,通常顺序凝固适合( )
A.
吸气倾向性大
B.
缩孔倾向性大
C.
流动性差的铸造合金
D.
变形和裂纹倾向性大的铸造合金
【单选题】The captain performs his duties with great_____and all the crew believed that they can get over the storm.
A.
affection
B.
suspicion
C.
assurance
D.
definition
【单选题】The possibility of a way out of the difficulty never _____ to the captain and his crew.
A.
happened
B.
occurred
C.
appeared
D.
flashed
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