[单选题]. When you slip you always fall to the ground because （ ）.
A. the earth always turns round.
B. the earth has gravity
C. the earth’s gravity is greater than your weight.
D. you are careless.

[单选题]. If you have no tent when you decide to go camping, you may________.
A. visit www. learn2. com
B. visit www. ehow. com
C. visit some site else
D. go to the tourist company

[单选题]( )When are you allowed to throw plastic garbage overboard?
A.Being more than 25 miles from shore
B.Only at night when it’s dark
C.Being more than 6 miles from shore
D.Never

[单选题].When do you think it is good to eat sweets and ice-cream according to the passage?
A. When we are happy.
B. When we have a good appetite.
C. After a meal.
D. Before a meal.

[单选题]S1：Hi, Jack. When will you finish your watch this afternoon? S2：Hi, Peter. At 1600. S1：OK. Do you have anything particular in mind? Shall we watch a movie together? S2： Yeah, OK. What do you want to watch? S1：Well. Captain Harworth wants everyone to watch a safety video. S2：Well, it’s important to know more about safety. But 15 d prefer comedy for relaxation. S1：Uh, some comedies are OK, but I really like action movies. S2：But I hate action movies, they are awful! S1：OK, let5 s watch the safety film first, then choose a good video. S2：Yeah, T m sure there5 s a new horror film that? s very good. S1：Well, anything but musicals, they are terrible S2：OK, see you. 1： What kind of film is not mentioned in the conversation?( )
A. Comedy.
B. Tragedy.
C. Action films.
D. Musicals.

[单选题]When will you finish _______the outing for next Friday?
A.plan
B.to plan
C.planning
D.planned

[单选题]( )Please be steadier when you operate the winch. Move the controller handle step by step
A.Please operate the winch gear by gear
B.Please move to the winch step by step
C.Please move the winch slowly
D.Please move the winch carefully

[单选题]( )S1： When were you born? S2：On the 9th of February 1959. Q：When was the second speaker born?
A.On February 5th, 1959
B.On February 9th, 1957
C.On February 5th, 1957
D.On February 9th, 1959

[单选题]121
When you leave,please turn off the light _____ energy.
A.save
B.saving
C.saved
D.to save

[单选题] Please remember ________ when you are driving.
A. to speed
B. not to speed
C. speeding
D. not speeding

[单选题]129
Take care when you are driving,_____ in a summer storm like this.
A.immediately
B.especially
C.probably
D.recently

[单选题]
Take care when you are driving,_____ in a summer storm like this.
A. immediately
B. especially
C. probably
D. recently

[单选题]9
It's very _____ to feel nervous when you go to a new school.
A.natural
B.dangerous
C.soft
D.cool

[单选题] — Write to me when you get home.
— OK, I ___________.
A. must
B. should
C. will
D. can

[单选题] 气体灭火控制盘的【MICRO FALL】主板芯片故障指示灯当“看门狗”计时器检测到( )故障时,母板上的黄色的指示灯会常亮。
A.主机
B.主板
C.微处理
D.接地故障