皮皮学，免费搜题
登录
搜题
【单选题】
—I don't know _________ or not Simon will come here. —Don't worry. ________he comes, I'll call you at once. [ ]A.
whether; Whether
B.
whether; If
C.
if; Whether
D.
if; If
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】四、题 8-4 ,试确定图示结构,在位移法计算中其基本未知量的数
A.
四个未知量，四个刚臂
B.
六个未知量，两根链杆，四个刚臂
C.
两个未知量，两根链杆
D.
四个未知量，两根链杆，两个刚臂
【单选题】Anita: I saw Nora in the teacher's office this morning. Do you know _______ she was there? Brian: She cheated on tests. [ ]
A.
how
B.
if
C.
when
D.
why
【简答题】Do you know who created the computer?
【简答题】Do you know what the driver was?
【单选题】Julie: Do you know everybody here? Paul: No. Hardly anybody. Julie: How do you know Sam? Paul: He' s a friend of Mark' s. How do you know him? Julie: Sam and I go to the same gym. Paul: He ' s a nice ...
A.
How long have you known him?
B.
What do you know about him?
C.
How well do you know him?
D.
Why do you want to know him?
【简答题】You may know the English letters A, B and C. But do you know there are people called ABCs? Do you know there is such a thing as “a banana person”? How strange! ABC means American-born Chinese. An ABC ...
相关题目：