【简答题】大咀堤桥桥型布置图.pdf 请大家花3周的时间将这两张图画好,4.18日前打印出来交给课代表
【单选题】在△ABC与△A′B′C′中,∠B=∠B′=Rt∠,∠A=30°,则以下条件,不能说明△ABC与△A′B′C′相似的是( )
【简答题】在Rt△ABC中,∠C=90°,∠A=30°,BC=2cm,则△ABC的周长为( )。
【简答题】Sentence Check 1 Circle the letter of the choice that best completes each sentence 1. The author of the report is well_______ with the problems in the hospital because he been working there for many y...
【单选题】根据我国的有关要求,国内航行的船长大于等于120米但小于180米的客船,至少应配备 只救生圈。
【判断题】The author of the passage holds a positive attitude towards digital devices on campus nowadays.
【简答题】在△ABC中,∠A=30°,∠C=2∠B,则∠C=______°.