【单选题】He has not yet informed me _____ his plans for holidays.
【单选题】螺旋筋柱的核心区混凝土抗压强度高于 Fc 是因为 。
【简答题】设质量m=0.50kg的小球挂在倾角θ=30°的光滑斜面上,如图(a)所示。将质量为0.5kg的小球挂在倾角为a=30°的光滑斜面上,如图所示,斜面以一加速度向左做匀加速直线运动,g=10m/s².试求:a=2.0m/s²时,绳中张力大小和小球对斜面的正压力.
【单选题】Although he has been here for half a year, he has not yet______to the climate here.
【简答题】设质量m=0.50kg的小球挂在倾角θ=30°的光滑斜面上(图2-6)。
【单选题】He has not yet ______ to the climate.
【单选题】He says that he has not yet decided whether _____ one more time.
【单选题】— Li Ming looks very weak. — __________. He has not yet recovered from the illness.