【单选题】【消耗次数：1】
He is so shy that he ____ speaks in the public.
①
often
②
frequently
③
seldom
④
sometimes
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相关题目
【单选题】
He speaks English ___ he speaks his mother tongue.
①
so good as
②
as good as
③
so well as
④
as well as
【单选题】
No man is so foolish but he may give another good counsel sometimes.
①
A．没有人如此愚笨，他有时也能给别人提出好的忠告。
②
B．没有人愚笨到偶尔也给别人提出好的忠告。
③
C．人再愚笨，有时也能给别人提出好的忠告。
④
D．偶尔愚笨的人也能给别人提出好的忠告。
【判断题】
He often attends public lectures at the university of California chiefly to improve his English.
①
正确
②
错误
【单选题】
In the past he often made his sister___, but now he is often made __by his sister.
①
to cry; to cry
②
cry
③
to cry; cry
④
cry; to cry
【多选题】
In his spare time, he often _______.
①
A.speak English
②
B.rides a bike
③
C.cycles
④
D.goes cycling
【单选题】
Although only of __________ intelligence, he speaks four languages fluently.
①
average
②
middle
③
mean
④
normal
【单选题】
He’s got an assignment in Tokyo, so he _______work abroad.
①
is going to
②
wants
③
would like to
随机题目
【单选题】
电子计数器测量周期的主要误差主要有 、 和 。
①
量化误差、 转换误差、超大转化
②
量化误差 、转换误差、标准频率误差
③
转换误差、标准频率误差、数量转化
④
超大转化、数量转化、标准转化
【单选题】
应用电桥法测量交流阻抗，下列四点中____是错误的。
①
若相邻两臂为纯电阻，则另外两臂的阻抗性质必须同为容性
②
若相对两臂为纯电阻，则另外两臂必须一为容性阻抗、另一为感性阻抗
③
若相对两臂为纯电阻，则另外两臂的阻抗性质必须相同
④
若相邻两臂为纯电阻，则另外两臂的阻抗性质必须同为感性
【单选题】
数据域分析是对以离散时间或事件作为自变量的数据流的分析。它有着很多和_______、_______不同的特点。
①
时段分析、频道分析
②
区域分析、时段分析
③
区域分析、周期分析
④
时域分析、频域分析