皮皮学，免费搜题
登录
搜题
【单选题】
Tim suggested a few years ago that Dorothy needn't bother to drive the tractor ___ .A.
because it wasn't really necessary for her to
B.
because she was getting old
C.
because she suddenly felt old
D.
because Tim really cared about his mother
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】下面是关于 枚举类型 的描述,不正确的有哪些?
A.
.每个枚举类型都有一个底层整数类型,默认为uint;
B.
.每个枚举成员被赋值一个底层类型的常量值;
C.
.编译器把第一个成员赋值为0,并对每一个后续成员赋的值比前一个成员多1;
D.
.可以通过把冒号和类型名放在枚举名之后以使用int以外的整数类型作为底层类型。 (5.0分)
【单选题】The traffic in the city _____ be terrible, but now it has improved a lot. I think you will _____ it soon.
A.
used to; used to
B.
get used to; used to
C.
used to; get used to
【单选题】—Do you think _________English songs helps to improve your English a lot? —Yes, I think so.
A.
listen to
B.
listening
C.
listening to
D.
to listen
【简答题】参数是用来描述总体特征的 ,它是研究者想要了解的 .
【单选题】I think I can _____________ a lot from the book. [ ]
A.
learns
B.
learn
C.
learning
D.
learned
【多选题】下面关于He原子光谱和能级特点的描述哪些是正确的__________
A.
能级有两套结构，一套为单层，一套为三层，是由自旋量子数决定的
B.
存在几个亚稳态，是由跃迁规则决定的
C.
没有1s1s 3S1态，是由泡利不相容原理决定的
D.
氦的基态1s1s1S0与第一激发态1s2s3S1之间能量差很大，是因为主量子数的差别
【单选题】— Is it helpful to study with a group? — Yes, I think so. ____________, I’ve learnt a lot.
A.
By this way
B.
In this way
C.
On the way
D.
With the way
【单选题】--I don't think teenagers should be allowed to study in groups. --I _________. They can learn a lot from each other. [ ]
A.
agreed
B.
disagree
C.
think so
D.
think not
相关题目：
参考解析：
知识点：
题目纠错 0
发布
