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【单选题】
In ______, walking is a cheap, safe, enjoyable and readily available form of exercise.A.
completion
B.
accomplishment
C.
conclusion
D.
accompaniment
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举一反三
【简答题】Exercise A: Listen and repeat. Listen to some sentences. Pay attention to I’ll /aɪl/, You’ll /ju:l/ , aren’t /ɑ:nt/. 1. A: Probably you'll lose your cough. B: And I'll certainly save money. 2. A: You'...
【简答题】6÷0.5商是9余1______．4.6÷0.5商是9余1______．
【简答题】Exercise 2 Listen to the recording again and write “T” (True) or “F” (False) for each statement you hear.
【简答题】在习题4.6中，试求X的中位数．
【单选题】关于蛔虫下列哪项是错误的( )
A.
雌虫尾端钝圆,雄虫尾端向腹面弯曲
B.
虫卵为宽椭圆形,卵壳薄,外有蛋白质膜,内有一个卵细胞
C.
蛔虫为常见寄生人体肠道线虫中最大的
D.
雌虫生殖器官为双管型,雄虫生殖器官为单管型
【判断题】Exercise 2 Listen to the passage again and decide if the statements you hear are true (T) or false (F). 1. Women live ten years longer than men.
A.
正确
B.
错误
【简答题】直接写出得数。 4.6+54= 0.125× = 1÷ ×3= 0.1÷1%= 4180÷69≈ ∶ = 8÷9× = =
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