【判断题】RC桥式正弦波振荡电路(如下图)的振荡频率是
【单选题】He is working hard, _____ will make him pass the final exam. [ ]
【单选题】Would the news _____he failed to pass the exam bother you?
【单选题】As to the format of the exam, which of the following statements is true?
A.
It will include multiple-choice questions.
B.
It will consist of three multiple-choice questions and five essay questions.
C.
Students will have to answer all the essay questions.
D.
Students will be required to answer three of the five questions.
【简答题】下列动物中胸腔纵隔将胸腔分为左右两室,且互不相通,暴露心脏时动物不需做人工呼吸,这种动物是A. 4
【简答题】网络通信协议主要由 3 个要素组成: __________ 、 ______________ 和交换规则。
【单选题】The thing she wasn't sure was that she failed in this exam. [ ]
【多选题】如图所示正弦波振荡电路,以下说法正确的是
A.
电路为RC桥式振荡电路,振荡频率f=1/(2*pi*R*C)
【单选题】The boy the teachers considered _________ was caught __________ in the exam, which surprised us very much.
A.
to be the best; cheating
B.
as the best student; to cheat
C.
being the best; cheating
D.
as a good student; to cheat
【单选题】下列动物中胸腔纵隔将胸腔分为左右两室,且互不相通,暴露心脏时动物不需做人工呼吸,这种动物是