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【单选题】
ZL104属于（ ）。A.
铸造铝合金
B.
超硬铝合金
C.
硬铝合金
D.
青铜合金
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举一反三
【简答题】Consonants differ from vowels in that the latter are produced without __________.
【单选题】--- I have an apology ______ . --- Don’t let it worry you.
A.
make
B.
to make
C.
to be made
D.
making
【简答题】When a stroke occurs,the arteries leading to ______and within the brain.
【单选题】Which of the following is NOT a distinguishing feature between larger veins and arteries?
A.
Veins have valves whereas arteries do not have valves
B.
The tunics in veins are not as clearly delimited as are the tunics in arteries
C.
The walls in veins are thinner than the walls in arteries
D.
The lumen of a vein is smaller than the lumen of an artery
E.
None. All of the above are true
【简答题】Her anger __________ away when she read his letter of apology.
【判断题】There are three types of large arteries, elastic arteries and small arteries.
A.
正确
B.
错误
【简答题】the arteries that take blood to the heart : ______nary arteries
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