按五轮学说,黑睛属于()
A.血轮
B.风轮
C.气轮
D.水轮
E.肉轮
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从方框中选择适当的词,并用其适当形式完成下面短文,每个词只用一次。 | |
a monitor, a keyboard, a mouse and a 3 . I 4 on the computer and then I 5 the websites and 6 with my friends on QQ. Now I can 7 computer games, 8 music, learn English and do other things on the computer. What 9 you? If you want to be my friend, please 10 emails to me. My email address is Xiaoxue@126. com. 1.______ 2. ______ 3. ______ 4. ______ 5. ______ 6. ______ 7. ______ 8. ______ 9. ______ 10. ______ |
下列物质:H2O、O2、SO2、Fe3O4、CaF2、KClO3、CuSO4、NaCl等,其中属于氧化物的有( )
A.2种
B.3种
C.4种
D.6种
The man made such a _______ speech that all the audience at the meeting felt _______. [ ]
A. boring; boring
B. boring; bored
C. bored; boring
诊断口干燥症最有意义的检查是()
A.唾液腺核素扫描
B.抗微粒体抗体阳性
C.血清补体C3下降
D.抗RNP抗体阳性
E.抗核抗体阳性
什么是数据完整性?说明数据完整性鉴别机制的基本原理。