金属材料常用的力学性能指标主要有强度、塑性、耐腐蚀性、密度、冲击韧度和硬度等。()
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The prefix "ex-" as in "ex-wife" or "ex-president" was borrowed into English from
A. Latin.
B. Greek.
C. French.
D. Celtic.
Which of the following is NOT a compound word？
A. Pencilbox.
B. Unreasonable.
C. Deadline.
D. Upstairs.
Where is this line from？—If Winter comes, can Spring be far behind？
A. I Wander Lonely as a Cloud
B. She Walks in Beauty
C. Ode to the West Wind
D. On a Grecian Urn
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