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为进行绝育手术可以降低子宫蓄脓的发病率。A.
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【单选题】已知点P在抛物线y 2 =4x上，则点P到直线l 1 ：4x-3y+6=0的距离和到直线l 2 ：x=-1的距离之和的最小值为（ ）
A.
37 16
B.
11 5
C.
2
D.
3
【简答题】听对话，回答问题。 1. Which way helps the woman keep in good shape? A. Joining a health club. B. Doing exercise with special equipment (器材). C. Keeping to a special diet. 2. How often does the woman play tenni...
【简答题】听下面一段材料，回答第1至3题。 1. Which day is the busiest day in the supermarket? A. Friday. B. Saturday. C. Sunday. 2. Why do the supermarkets provide carts for their customers? A. Because they want their custome...
【简答题】当启动 Applet 程序时,首先调用的方法是____。
【单选题】点M到F（3，0）的距离比它到直线x+4=0的距离小1，则点M的轨迹方程是（ ）
A.
y 2 =12x
B.
y 2 =12x（x＞0）
C.
y 2 =6x
D.
y 2 =6x（x＞0）
【简答题】已知点P在抛物线y 2 =4x上，则点P到直线L 1 ：4x-3y+6=0的距离和到直线L 2 ：x=-1的距离之和的最小值为______．
【简答题】听下面一段材料，回答第1-3题。 1. Which of the following is NOT right? A. The people in Japan are much busier. B. There are many tall buildings in Japan. C. It's much colder in the north of Japan in winter than it ...
【单选题】若点P到直线y=-1的距离比它到点（0，3）的距离小2，则点P的轨迹方程为 （ ）
A.
x 2 =12y
B.
y 2 =12x
C.
x 2 =4y
D.
x 2 =6y
【简答题】Watch Video 2 again, and identify the speaker’s assertion, evidence and significance. Determine which three sentences from the following table are used as evidence1. Five stages of consumer decision m...
【简答题】Student 1: Yeah, the Hyundai weighs about 1,600 kilograms. So, ______ an ______ car a monster truck _______ around 5,000. Kilograms. Roughly three times heavier.Student 2: What are they made of? A nor...
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