锅炉排放二氧化硫浓度应在锅炉设计出力70%以上时测定。（）

先阅读，再判断。(对的写“T”，错的写“F”。)

Dear Grandpa,

    Thank you for the new jeans. They are cool! It's cool in Beijing. I can wear my jeans and T-shirt.  

I have a new jacket. My old jacket is too small. I want to buy a pair of sneakers. They are fifty yuan.

They are too expensive. What's the weather like at the farm? Is it warm?

                                                                                                                                             Love,

                                                                                                                                             John

(      )1. It is warm in Beijing.

(      )2. John has a new jacket.

(      )3. Grandpa is at the farm.

(      )4. The sneakers are thirty yuan.

(      )5. The sneakers are too expensive.

1941年，希特勒发动袭击后，苏联只用了8天时间就征集了530万人人伍，仅用4个月就建立了强大的军事工业基地。这主要表明（   ）

A．苏联对德国的侵略有充分准备

B．苏联人民万众一心抗击侵略

C．斯大林模式具有很高的动员能力和组织效率

D．斯大林模式产生于战争环境中

女，37岁，Graves病甲状腺次全切除术后8年。近2个月心慌、怕热、多汗、手颤抖，体重下降5kg。血TSH、FT₃、FT₄检查证实甲亢复发，服他巴唑2周后因严重药疹而停药。下一步治疗应（）

A.他巴唑加抗过敏药物

B.改用丙基氧嘧啶

C.改用β受体阻滞剂

D.再次手术治疗

E.用核素¹³¹I治疗

园林中的七类土属于（）。

A、松软土

B、普通土

C、坚土

D、坚石

鼠类在黑暗环境种活动、奔跑，而不碰撞跌到主要靠（）

A.听觉

B.触觉

C.嗅觉

D.视觉