某研究性学习小组就“不同水质对蛙卵孵化的影响”进行了探究，其实验记录如下表：
 组别项目 |
水质 |
水量 |
水温 |
蛙卵数 |
孵出的 蝌蚪数 |
| A组 |
河水 |
500mL |
22℃ |
30个 |
28只 |
| B组 |
蒸馏水 |
500mL |
10℃ |
30个 |
9只 |
该实验设计的不妥之处是
A．不符合单一变量原则 B．水量过多 C．水温太高 D．水中没有水草
—What are you saving money for?
—Father’s Day is around the corner. I ________ a gift for my father.
| A． |
am going to buy |
B． |
have bought |
C． |
bought |
D． |
was buying |
—Jim and I share ________ tastes and hobbies.
—No wonder you take part in lots of meaningful social activities together.
| A． |
separate |
B． |
weak |
C． |
similar |
D． |
double |
—Do you know the spacewoman Wang Yaping?
—Sure. She is called the mother who ________ the stars.
| A． |
gave out |
B． |
put away |
C． |
looked after |
D． |
reached for |
—I do morning exercises every day. It works my whole body.
—It’s a good habit. It helps you keep in good ________.
| A． |
time |
B． |
touch |
C． |
health |
D． |
silence |
—What place will you suggest if I travel to your hometown?
—The best-known Mount Huangshan comes ________ as the first choice.
| A． |
hardly |
B． |
patiently |
C． |
strangely |
D． |
naturally |