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【单选题】
单选题]下列焊丝中属于低合金钢焊丝的是( )。
A.
H08Mn
B.
H13CrMoA
C.
H1Cr24Ni13
D.
H1Cr17
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参考答案:
举一反三
【单选题】新购入畜禽()。
A.
须隔离观察2周
B.
须隔离观察一月
C.
须隔离观察一年
【多选题】存在于HBV病毒体表面的抗原成分是
A.
HbsAg
B.
PreS1抗原
C.
PreS2抗原
D.
HbeAg
E.
HBxAg
【简答题】用适当的介词、副词填空。 1. Make a call ____________ your friend at home. 2. Please talk to your friend ____________ the phone. 3. Where is my book? I'm looking ____________ it everywhere. 4. Thank you __________...
【简答题】用所给单词的适当形式填空. 1. There are many _____ (rule)  in our school. 2. You should _____ (wash)  your hands before meals. 3. Don't talk _____ (loud) here. 4. Shall we _____ (meet)  at the school gate (门口)? 5....
【简答题】练习册p67 It's hard to make friends if you stay at home alone all the time. Taking part in all kinds of activities will help you 1 friends with other people. It's easier to make friends when you have 2 i...
【简答题】用单词的适当形式填空。 1. What does your father often____(do) on Sunday? 2. Don't talk. They____(do) their homework. 3. There (be)lots of pictures on the wall in our classroom. 4.-Where are you? -I___ (lie)in th...
【单选题】http请求是由哪些部分组成
A.
请求链接、用户名、密码
B.
图片、文字、视频
C.
服务器名称、端口、资源路径
D.
请求头、请求行、请求正文
【单选题】新购入畜禽( )。
A.
须隔离观察两周
B.
须隔离观察一周
C.
须隔离观察3天
D.
经隔离观察30天
【简答题】根据句意及汉语提示完成下列句子。 1. There are ________ (太多) things in her room. 2. Don't talk ________ (大声地) in the reading room. 3. He often helps her mother ________ (洗) clothes on Sundays. 4. ________ (后来) she kne...
【简答题】根据汉语提示写出正确的单词. 1. There are some (儿童)in the park. 2. Don't talk (高声)in the library. 3. When (别的)did you meet her? 4. I enjoy (洗)clothes at home. 5. (打架)is wrong(错)for us.
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