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【单选题】
关于适用ISDN和Modem上网的说法,哪一条是不正确的?
A.
ISDN传输速度高于Modem
B.
Modem需长时间占用电话线，ISDN则可以通话、上网同时进行
C.
Modem在量测终端需增加A/D、D/A转换，而ISDN提供端到端的数字连接
D.
其他3种说法都不正确
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参考答案：
举一反三
【单选题】What is the relationship (关系) between Mr. Rance and John?
A.
They are boss and secretary.
B.
They are teacher and student.
C.
They are friends.
查看完整题目与答案
【多选题】下图是某建筑物定位测量示意图。该拟建建筑物一角点P的设计坐标为：P（X=560.500m，Y=820.500m），控制点B坐标为B（X=520.480m，Y=760。850m），直线AB的坐标方位角为α AB ＝126°45′30″。现拟用极坐标法测设P点。 关于本案例测设P点的说法，（）是正确的。
A.
本次测量采用的是极坐标法
B.
采用极坐标法测设地面点位，需要水平角β和水平距离D
C.
α BP ＝56°08′30″
D.
水平角β=109°23′00″
E.
水平距离D BP =59.650m
查看完整题目与答案
【单选题】Mr. Anderson's boss was a woman.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】Whom did Mr. Black buy presents for?
A.
His boss.
B.
The son of his boss.
C.
Mr.Black's wife.
查看完整题目与答案
【单选题】Mr. Tiger insisted that he _______ the money back to his boss but his boss said that he didn’t receive it.
A.
should pay
B.
had paid
C.
pay
D.
would pay
查看完整题目与答案
【简答题】The boss insisted that Mr. Copper (give) ______ up his experiment at once.
查看完整题目与答案
【单选题】We are at your service. Don’t ________ to turn to us if you have any further problems.
A.
beg
B.
hesitate
C.
desire
D.
seek
查看完整题目与答案
【单选题】Our boss, Mr. Thompson, ______ a raise in salary for ages, but nothing has happened yet.
A.
was promising
B.
has been promising
C.
promised
D.
has promised
查看完整题目与答案
【单选题】What is the author's attitude toward D'Adamo's advice?
A.
Unbelieving.
B.
Supportive.
C.
Hesitating.
D.
Disdaining.
查看完整题目与答案
【单选题】关于平面图形惯性矩和极惯性矩,下面说法正确的是( )。
A.
平面图形的惯性矩与坐标系无关
B.
平面图形的极惯性矩和坐标系无关
C.
惯性矩的量纲是长度的四次方
D.
平面图形的极惯性矩等于惯性矩的 2 倍
查看完整题目与答案
相关题目：
【单选题】What is the relationship (关系) between Mr. Rance and John?
A.
They are boss and secretary.
B.
They are teacher and student.
C.
They are friends.
查看完整题目与答案
【多选题】下图是某建筑物定位测量示意图。该拟建建筑物一角点P的设计坐标为：P（X=560.500m，Y=820.500m），控制点B坐标为B（X=520.480m，Y=760。850m），直线AB的坐标方位角为α AB ＝126°45′30″。现拟用极坐标法测设P点。 关于本案例测设P点的说法，（）是正确的。
A.
本次测量采用的是极坐标法
B.
采用极坐标法测设地面点位，需要水平角β和水平距离D
C.
α BP ＝56°08′30″
D.
水平角β=109°23′00″
E.
水平距离D BP =59.650m
查看完整题目与答案
【单选题】Mr. Anderson's boss was a woman.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【单选题】Whom did Mr. Black buy presents for?
A.
His boss.
B.
The son of his boss.
C.
Mr.Black's wife.
查看完整题目与答案
【单选题】Mr. Tiger insisted that he _______ the money back to his boss but his boss said that he didn’t receive it.
A.
should pay
B.
had paid
C.
pay
D.
would pay
查看完整题目与答案
【简答题】The boss insisted that Mr. Copper (give) ______ up his experiment at once.
查看完整题目与答案
【单选题】We are at your service. Don’t ________ to turn to us if you have any further problems.
A.
beg
B.
hesitate
C.
desire
D.
seek
查看完整题目与答案
【单选题】Our boss, Mr. Thompson, ______ a raise in salary for ages, but nothing has happened yet.
A.
was promising
B.
has been promising
C.
promised
D.
has promised
查看完整题目与答案
【单选题】What is the author's attitude toward D'Adamo's advice?
A.
Unbelieving.
B.
Supportive.
C.
Hesitating.
D.
Disdaining.
查看完整题目与答案
【单选题】关于平面图形惯性矩和极惯性矩,下面说法正确的是( )。
A.
平面图形的惯性矩与坐标系无关
B.
平面图形的极惯性矩和坐标系无关
C.
惯性矩的量纲是长度的四次方
D.
平面图形的极惯性矩等于惯性矩的 2 倍
查看完整题目与答案
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