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【单选题】
金属的燃烧不可以用( )扑灭。A.
干砂
B.
石墨灭火器
C.
干粉灭火器
D.
二氧化碳灭火器
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【简答题】-- Why are you rolling up the carpet? ____(you paint) the ceiling? No, I ____(take) the carpet to the cleaners.
【单选题】I couldn’t clean the carpet yesterday because the vacuum cleaner _______.
A.
had been repaired
B.
was repairing
C.
was repaired
D.
was being repaired
【单选题】血-气屏障的构成是
A.
毛细血管内皮、内皮基膜、肺泡上皮
B.
毛细血管内皮及其基膜、肺泡上皮的基膜
C.
毛细血管内皮及其基膜、肺泡上皮及其基膜
D.
肺泡上皮、弹性纤维、上皮基膜
E.
肺泡隔、肺泡上皮、上皮基膜、尖细胞
【简答题】I love that pale blue wallpaper, but I don't think it would go ___ the carpet.
【单选题】某一项年金前4年没有流入，后6年每年年初流入1000元，利率为10%，则该项年金的现值为（ ）元。(P/A，10%，10)＝6.1446，(P/A，10%，9)＝5.7590，(P/A，10%，6)＝4.3553，(P/F，10%，3)＝0.7513。
A.
2974.7
B.
3500.01
C.
3020.21
D.
3272.13
【单选题】As I looked at the carpet, I wished that it (could) speak, (since) it (must witness) many interesting events (in) the past decade.
A.
could
B.
since
C.
must witness
D.
in
【简答题】Sales clerk: Do you see what I have here? A bottle of saw dust that I’m going to (1) ____ the carpet floor here. I’m going to add some paint, some smashed-up crackers, and (2)____ of three-inch nails....
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