【单选题】It is said that he has and will arrive home in a few hours.
【单选题】He ___ to break the record for the long-distance race.
【单选题】. Busy as he is, he ________ a few hours a week for physical exercise.
【单选题】关于氧离曲线的叙述,不正确的是
B.
该曲线表示不同PO2时,O2与Hb的结合情况
D.
氧离曲线的上段处于PO2较高的水平,是Hb与O2解离的部分
【判断题】在园林中,道路的面积占总面积的8%~12%。()
【单选题】We will set off after he finishes packing.
【单选题】Each week he tried to _____________ a few dollars for an overseas trip.
【单选题】He ______ his new job with confidence.