复曲线的两超高不相等时，应在（）范围内，从（）向（）均匀顺坡。
参考答案：正矢递减；较大超高；较小超高
国家猜猜猜。
1. The flag is red. There are five yellow stars on it.
This country is .
2. The flag is red and white. It has a leaf.
The country is .
3. This country has kangaroos and beautiful beaches.
It is .
4. This country has a king or a queen.
It's .
5. The Statue of Liberty is in this country.
仰卧位和左侧卧位听诊最清晰的心音是（）
A.第一心音
B.第二心音
C.第三心音
D.第四心音
E.第五心音
