【单选题】We can learn from the text that
A.
the political circle will offer the help to the high schools.
B.
giving a presentation is beneficial to students.
C.
teaching methods have to be changed.
D.
students are afraid to talk to strangers.
【多选题】实际中为了选用合适测量电阻的仪表,减小测量误差,通常可将电阻按其组织大小分类,以下分类正确的是()
【单选题】I study in High School Affiliated to Southwest University. There are __________ students in our school. Nine ______________ of them are girls.
D.
thousands of; hundreds
【判断题】某工程项目模板支架在加载预压时垮塌,造成6人死亡、20人受伤的事故。事故调查组专家认为,事故的直接原因是:由于钢管立柱柱基不坚实,产生了一定的竖向和水平位移,桥梁施工直角制成体系侧向约束薄弱,在堆荷过程的外力作用下,由于支撑体系的局部变形引发支撑体系整体失稳破坏,造成支架垮塌事故。从现场观察和资料查阅情况看,支架体系在实施中存在以下主要问题:原设计单位要求的施工方案为满堂式支架,单位将满堂式支架的...
【判断题】用万用表测量极间电阻的大小,可以判断管子的好坏。
【单选题】砂颗粒级配检测试验中,逐个手筛时,筛至每分钟通过量不超过砂样总量的()。
【简答题】Cyber Cafe computer centers are found in many cities around the world. Now, a few American high schools are opening these centers. For example, high school in the state of Maryland began operating a C...
【简答题】Read and judge. 用能“ '和不能“ ”。 1. Can a bird fly? 2. Can a horse fly? 3. Can a cow walk? 4. Can a girl hop?