在胎儿期和婴儿期甲状腺素缺乏，下列哪种器官受损害最严重A．心脏B．肺脏C．肾脏D．脑

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

Improve your memory, improve your life

Mark began to introduce the guest speaker to the audience, but then he paused in horror. _________

Barbara hid her jewelry when she went on vacation. When she came back, she couldn’t remember where she’d put it.

__________. Most people have. But memory can be developed.

First, relax. If you’re overanxious about remembering something, you’ll forget it. ________.Take a deep breath and tell yourself that you have all the time in the world to remember.

Second, avoid being negative. If you keep telling yourself that your memory is bad, your mind will come to believe it and you won’t remember things. When you forget something, don’t say, “ Gee, I need to have my brain rewired(重装电线).”

To improve your memory, you’ll need to take an active role. Like your body, your memory can be strengthened through exercise. ______ For example, if you’ re learning a language, try to actively remember irregular verbs.

You may also want to make associations, or links, between what you’re trying to remember and things you already know. For example, if you need to catch a plane at 2:00pm, you can imagine a plane in your mind and notice that it has two wings. ___________.  

A．Don’t worry.

B．He had forgotten her name.

C．Perhaps you’ve had experiences like these.

D．Look for opportunities to exercise your memory.E. Jokes like this will have a negative effect on your memory.

F. You are now ten times more likely to remember the take-off time.

G. Relaxing will help improve your awareness and ability to concentrate.

为保证旅客运输安全，有哪些物品不得带上火车

少数民族地区和外国驻华使馆根据实际需要，票据和结算凭证金额大写可以使用少数民族文字或者外国字记载。()

比例再保险合同的基本条款与非比例再保险合同的基本条款并不完全相同。非比例再保险合同的主要条款有（）等。

A.共命运条款

B.责任恢复条款

C.通货膨胀条款

D.分层再保险条款

E.最高责任限额条款

对定位器的技术要求是耐磨、有足够的强度以及制造和安装精度。