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【单选题】
题干: L ≥ 50m 船舶的尾灯、环照灯最小能见距离为:
A.
5海里
B.
3海里
C.
2海里
D.
1海里
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参考答案：
举一反三
【单选题】听力原文：M: Hello, may I speak to Paul Bacon, please? W: I am sorry, nobody by that name works here. Q: What do we learn from this conversation? (19)
A.
Paul Bacon isn't in right now.
B.
Paul Bacon can't come to the phone right now.
C.
Paul Bacon doesn't want to speak to the man.
D.
The man dialed the wrong number.
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【单选题】听力原文：M: Do you think Professor Paul will cancel class because of the special conference? W: Not likely. Q: What does the woman mean? (18)
A.
She doesn't like the professor very much.
B.
She doubts class will be canceled.
C.
She doesn't want to attend the conference.
D.
She wonders whether the professor is an accountant.
查看完整题目与答案
【单选题】Paul doesn't want to be made_______. He always works hard.
A.
learn
B.
to learn
C.
learned
D.
learning
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【单选题】Martin invested $1,000 six years ago and expected to have $1,500 today. He has not added or withdrawn any money from this account since his initial investment. All interest was reinvested in the accou...
A.
Martin earned simple interest rather than compound interest.
B.
Martin earned a lower interest rate than he expected.
C.
Martin did not earn any interest on interest as he expected.
D.
Martin ignored the Rule of 72 which caused his account to decrease in value.
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【判断题】将蓄电池的正、负极板各一片插入电解液中，即可获得12V的电动势。
A.
正确
B.
错误
查看完整题目与答案
【简答题】透视投影采用（）投影法；轴测投影采用（）投影法。
查看完整题目与答案
【单选题】以下对C语言中共用体类型数据的正确叙述是
A.
定义了共用体变量后，即可引用该变量中的任意成员
B.
共用体变量中可以同时存放其所有成员
C.
共用体中的各个成员使用共同的存储区域
D.
在向共用体中的一个成员进行赋值时，共用体中其他成员值不会改变
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【单选题】According to the author, if $1 billion were invested in the prevention and treatment of heart discase, which of the following economic benefits would be produced?
A.
$ 20 billion.
B.
$ 25 billion.
C.
$ 30 billion.
D.
$ 35 billion.
查看完整题目与答案
【单选题】以苯酚作为唯一碳源的培养基可以分离纯化出能分解含酚物质的菌种,这种微生物分离纯化的方法是?
A.
富集法
B.
稀释涂布平板法
C.
平板划线分离法
D.
单细胞挑取法
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【单选题】以下 是对C语言中共用体类型数据的正确叙述:
A.
一旦定义了一个共用体变量后，即可引用该变量或该变量中的任意成员；
B.
一个共用体变量中可以同时存放其所有成员；
C.
一个共用体变量中不能同时存放其所有成员；
D.
共用体类型数据可以出现在结构体类型定义中，但结构体类型数据不能出现在共用体类型定义中。
查看完整题目与答案
相关题目：
【单选题】听力原文：M: Hello, may I speak to Paul Bacon, please? W: I am sorry, nobody by that name works here. Q: What do we learn from this conversation? (19)
A.
Paul Bacon isn't in right now.
B.
Paul Bacon can't come to the phone right now.
C.
Paul Bacon doesn't want to speak to the man.
D.
The man dialed the wrong number.
查看完整题目与答案
【单选题】听力原文：M: Do you think Professor Paul will cancel class because of the special conference? W: Not likely. Q: What does the woman mean? (18)
A.
She doesn't like the professor very much.
B.
She doubts class will be canceled.
C.
She doesn't want to attend the conference.
D.
She wonders whether the professor is an accountant.
查看完整题目与答案
【单选题】Paul doesn't want to be made_______. He always works hard.
A.
learn
B.
to learn
C.
learned
D.
learning
查看完整题目与答案
【单选题】Martin invested $1,000 six years ago and expected to have $1,500 today. He has not added or withdrawn any money from this account since his initial investment. All interest was reinvested in the accou...
A.
Martin earned simple interest rather than compound interest.
B.
Martin earned a lower interest rate than he expected.
C.
Martin did not earn any interest on interest as he expected.
D.
Martin ignored the Rule of 72 which caused his account to decrease in value.
查看完整题目与答案
【判断题】将蓄电池的正、负极板各一片插入电解液中，即可获得12V的电动势。
A.
正确
B.
错误
查看完整题目与答案
【简答题】透视投影采用（）投影法；轴测投影采用（）投影法。
查看完整题目与答案
【单选题】以下对C语言中共用体类型数据的正确叙述是
A.
定义了共用体变量后，即可引用该变量中的任意成员
B.
共用体变量中可以同时存放其所有成员
C.
共用体中的各个成员使用共同的存储区域
D.
在向共用体中的一个成员进行赋值时，共用体中其他成员值不会改变
查看完整题目与答案
【单选题】According to the author, if $1 billion were invested in the prevention and treatment of heart discase, which of the following economic benefits would be produced?
A.
$ 20 billion.
B.
$ 25 billion.
C.
$ 30 billion.
D.
$ 35 billion.
查看完整题目与答案
【单选题】以苯酚作为唯一碳源的培养基可以分离纯化出能分解含酚物质的菌种,这种微生物分离纯化的方法是?
A.
富集法
B.
稀释涂布平板法
C.
平板划线分离法
D.
单细胞挑取法
查看完整题目与答案
【单选题】以下 是对C语言中共用体类型数据的正确叙述:
A.
一旦定义了一个共用体变量后，即可引用该变量或该变量中的任意成员；
B.
一个共用体变量中可以同时存放其所有成员；
C.
一个共用体变量中不能同时存放其所有成员；
D.
共用体类型数据可以出现在结构体类型定义中，但结构体类型数据不能出现在共用体类型定义中。
查看完整题目与答案
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