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【简答题】
Give the meanings of the following abbreviations.(Both English and Chinese answers are acceptable.) 4. C3-C4
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皮皮学刷刷变学霸
举一反三
【单选题】刀具材料的硬度一定要高于工件材料,这一性能是刀具的( )。
A.
硬度
B.
强度
C.
韧性
D.
塑性
【简答题】T: who can answer the phone? (Jim/Sam) S: Either Jim or Sam can answer the phone. (1) When will you come?(tomorrow, the day after tomorrow) (2) What will you do?(go to the theater/ stay at home) (3) W...
【单选题】You ________ clean that room. It is very clean now. 4. A new factory _________ in that area in 2015. A. is built B. is going to build C. will be built 5. — Where will you go this summer vacation? — I ...
A.
must
B.
have to
C.
don ’ t need to
【单选题】由实验者安排的刺激情境和实验情境并由其操纵籍以引起被试反应的因素或条件,这指的是( )。
A.
自变量
B.
因变量
C.
无关变量
D.
控制变量
【判断题】人类产生之初,不可能有任何宗教观念
A.
正确
B.
错误
【单选题】钩体培养常用的培养基是:
A.
普通培养基
B.
含胆汁培养基
C.
碱性蛋白胨培养基
D.
含兔血清培养基
E.
含羊血清的培养基
【单选题】由实验者安排的刺激情境或实验情境并由其操纵借以引起被试反应的因素或条件是( )
A.
自变量
B.
因变量
C.
无关变量
D.
控制变量
【简答题】The house _______ many years ago. A. is built B. was built C. has been built 2. The article __________ many times. A. has been written B. was written C. wrote 3. You ________ clean that room. It is ve...
【判断题】溅渣护炉可以有效延长转炉使用寿命。
A.
正确
B.
错误
【判断题】把管道看成一条线,用单根线条表示管道画出的图称为管道单线图。
A.
正确
B.
错误
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