【简答题】比一比,算一算. 180÷60+30 420÷(7×30) (90-36)×2 180×(60+30) 420÷7×30 90-36×2
【简答题】依合同当事人是否互负给付义务,合同可分为( )和单务合同。
【多选题】Ethical issues of organ donation include:
A.
organ transplant tourism
B.
paid & compensated organ donation
C.
moral responsibility of organ donation
D.
Who should donate and who should not?
【单选题】当用 1:2 的比例画一圆时,该圆的实际直径为 16mm ,此时圆的直径应标注为( )。
【判断题】常温下,浓硝酸可以用铝槽贮存,说明铝与浓硝酸不反应。
【简答题】英汉互译。 1. make dumplings _______ 2. would like to do sth. _______ 3. two bowls of rice _______ 4. 一大碗面条 _______ 5. 稍等片刻 _______