【单选题】【消耗次数：1】
The president has an ____________ secretary.
①
extensive
②
efficient
③
effective
④
expensive
参考答案：
复制
纠错
相关题目
【单选题】
I asked the secretary if there were ______ tickets but she had only the expensive ______.
①
one, ones
②
any, one
③
some, ones
④
any, ones
【多选题】
Computers are __________ more efficient than human beings.
①
many
②
much
③
less
④
far
【单选题】
In _____________ banking, we make extensive use of computers.
①
modern
②
ancient
③
old
④
classical
【单选题】
The secretary and principal ___ at the meeting now.
①
are speaking
②
is speaking
③
were making a speech
④
have a speech
【单选题】
What are not good rules to follow for making instructions effective?
①
Use simple instructions and make them suit the comprehension level of the students
②
Use the mother tongue only when it is necessary
③
Use body language to assist understanding
④
Not model the task or activity before letting students move into groups or pairs .
【单选题】
The suggestion they all objected to __________ very effective finally.
①
proved
②
proving
③
prove
④
to prove
【单选题】
The suggestion they all objected to __________ very effective finally.
①
proved
②
prove
③
proving
④
to prove
随机题目
【单选题】
高频保护基本原理是：将线路两端的电气量（电流方向或功率方向）转化为高频信号；以（）为载波传送通道实现高频信号的传送，完成对两端电气量的比较。
①
微波通道
②
光纤通道
③
输电线路
④
导引线
【单选题】
在给方向阻抗继电器的电流、电压线圈接入电流电压时，一定要注意不要接错极性，如果接错极性，会发生方向阻抗继电器（）的后果。
①
拒动
②
误动
③
正向故障拒动或反向故障误动
④
损坏