代码填空【使用递归实现二分查找】 int binarySearch(int a[], int key, int low, int high) { if (low > high) return -1; int mid; mid = (low + high) / 2; if (key == a[mid]) return mid; else if (key < a[mid]) return ________(1)__________; else return ________(2)______________; }

On my return ____from shanghai, I met an old friend from high school on the plane.

What are the characteristics of interactive marketing compared with experience marketing and creative network marketing? A: High return B: High efficiency C: short cycle D: low cost

On my return from Shanghai, I met an old friend from high school on the plane. A: journey B: period C: progress D: record

Check valve is not used to control _______. A: Direction of oil flow B: Back pressure of return oil C: Bypass of filter D: High pressure overflow

Check valve isn’t used to control ____. A: high pressure overflow B: back pressure of return oil C: direction of oil flow D: bypass of filer

—“Is shopping there expensive?” A: so high to B: as high to C: so high as D: as high as

This statue stands just ______ as that one. A: the same high B: so high C: as high D: high

– Is shopping there expensive? --- Yes, the price runs ______ fifty dollars. A: so high to B: as high to C: so high as D: as high as

High technology is characterized by ______. A: economics of scale and high costs and high risks B: low costs and high profits C: much investment