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【单选题】
干燥失重检查法主要是控制药物中的水分及其他挥发性物质,对于受热稳定的药物,其干燥温度为A.
105 ℃
B.
180 ℃
C.
140 ℃
D.
102 ℃
E.
80 ℃
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】以下程序片段,下列哪个选项插人到第2行将引起编译错误? ( ) package mypackage; //第二行 class MyClass{ //do something }
A.
public class MainClass{ }
B.
package mypackagea;
C.
class B{ }
D.
import java. util.* ;
【简答题】简述出入境证件必须具备的要素?
【单选题】----Is Mary at home? ----No, she_________ the library. She _________ there a moment ago.
A.
has gone to, went
B.
has gone to, has been
C.
has been to, went
D.
has been to, has gone
【单选题】Amy ____ the school library. She ______ books three times a week.
A.
has gone to; has used to borrow
B.
has been to; used to borrow
C.
has gone to; has been used to borrowing
D.
has been to; is used to borrowing
【单选题】—Is your brother at home? —No. He _______ the library. [ ]
A.
was going to
B.
has been to
C.
has gone to
D.
went to
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