1 . In the zoo if a child _____ into the water and can’t swim, the dolphins may come up ______ him.

A．will fall; to help

B．falls; to help

C．will fall; help

D．falls; helping

2 . 为了使这一物种免遭灭绝，中国政府将其置于国家保护之下。（汉译英）

3 . Invented by a Japanese engineer in 1994 to ________ (记录，跟踪) car parts more easily, quick response codes entered the mainstream years later as smartphones with cameras took over. (根据汉语提示完成句子)

4 . World Animal Day is celebrated to s ________ (象征) the value of animal rights and the welfare of the animals. (根据中英文提示填空)

5 . Using thousands and thousands of sandbags, we built a twenty-kilometre wall along the lake to ______ ______ ______ ______ ______.
我们沿着措那湖边用成千上万个沙袋筑起一道20公里的保护墙，使它免受建筑废料的污染。

6 . Scientists will use Webb to study planets and other bodies in the solar system to d________ (确定) their origin and evolution. （根据中英文提示填空）

7 . I remember that he let me pour some fuel into the rocket, and then another student lit a match ________ ________ ________ ________. （根据课文内容填空）

8 . It is certain that I will try what I can ________ you.

A．helping

B．helps

C．to help

D．help

9 . 从下列所给词组中选用正确的词组并以适当的形式填到句子中，每个词组仅能用一次。

give way                           crack a smile                    pay off                                 (be) worthy of      in turn                                 take off                           cross out                                 due to              concentrate on                    turn down                    make sense                           pick up

1. The environmental challenges are significant, but the efforts made by the Tanzania National Park Authority seem to be ________.
2. Most people find the start of the week so exhausting that we can't even ________ until 11 a.m.
3. She can't remember how many times she ________ before getting her first job as a salesgirl.
4. ________ my homework, I didn't notice they had sat down behind me.
5. About 20 years ago, the practice of hunting tourism ________ because of the interest from photographic lovers.
6. Some Internet buzzwords can only ________ with the context of Internet.
7. The dogs serve to protect humans against pumas, which ________ prevents pumas from being hunted by humans.
8. Your composition will read better if you ________ these words and replace them with fine figures of speech.
9. ________ circumstances beyond our control, the flight to Rome has been cancelled.
10. She was going over to her parents' house ________ some clean clothes for Oskar.

10 . 为了保持健康，我们应该保持平衡膳食和养成良好的生活习惯。（diet）（汉译英）