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【判断题】
对于金属船体 , 型线图所表示的形状是外板的内表面和甲板的上表面。
A.
正确
B.
错误
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【简答题】完形填空 The most unforgettable thing during my long summer holiday last year, of course is my trip_ 1 _ England.This was my first time to go abroad, so it really made me_ 2 _. There were quite a lot of i...
【判断题】法国科学家于1950年证明HIV病毒是由非洲黑猩猩传播的。
A.
正确
B.
错误
【单选题】听力原文:W: During the last thunder storm, I noticed several leaks in my bedroom ceiling and they really caused a mess. M: Maybe you have some broken tiles. I have the phone number of a good roofing compa...
A.
The roof of the woman's house needs to be repaired.
B.
The roof of the man's house has several bad leaks.
C.
The woman's bathroom was badly damaged.
D.
The man works for a roofing company.
【单选题】听力原文:W: During the last thunder storm, I noticed several leaks in my living room ceiling. M: Maybe you have some broken shingles. I have the number of a good roofing company. Q: What can we conclude f...
A.
The woman is afraid of thunderstorms.
B.
The man works for a roofing company.
C.
The roof of the woman's house needs repairing.
D.
The man's roof is leaking.
【简答题】粒细胞减少症是指外周血中性粒细胞绝对值< 109/L 粒细胞缺乏症是指外周血中性粒细胞绝对值< xl09/L
【单选题】Many fantastic photos __________ during my last trip to Beijing. [     ]
A.
took
B.
are taken
C.
were taken
【简答题】图形化蓝宝石衬底外延片 主要用于制备氮化镓基发光二极管。主要由图形化PSS处理蓝宝石衬底(即以蚀刻的方式,在蓝宝石基板上制作出微米级或纳米级的凹凸图案)、缓冲层、N型氮化镓层、量子阱发光层、P型氮化镓层构成。缓冲层为高纯氮化镓,量子阱发光层一般为多个周期重复的氮化镓铟/氮化镓层。各层均由化学气相沉积法生长而成,其内部及表面均无电路。用于制作纯蓝、纯绿色发光二极管芯片。该商品在外延N型氮化镓层、P型...
【单选题】粒细胞缺乏症是指外周血中性粒细胞绝对值为()
A.
0
B.
<0.3×10 9 /L
C.
<0.5×10 9 /L
D.
<0.8×10 9 /L
E.
<1.0×10 9 /L
【单选题】中性粒细胞缺乏症是指外周血中性粒细胞绝对值
A.
<0 5×109/L
B.
<1 0×109/L
C.
<1 5×109/L
D.
<2 0×109/L
E.
<2 5×109/L
【单选题】中性粒细胞缺乏症是指外周血中性粒细胞绝对值
A.
<0.5×109/L
B.
<1.0×109/L
C.
<1.5×109/L
D.
<1.5×109/L
E.
<2.5×109/L
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