What are the sources of infection of COVID-19？

What are the functions of studying philosophies mentioned in the passage?

A．The study of philosophies would make our own idea flexible.

B．The study of philosophies would help prepare us for the future and guide our actions.

C．The study of philosophies would enable us to understand how things develop as to better tackle the future.

D．All of the above.

A、Essential Formulas for Emergencies Worth a Thousand Pieces of Gold.

B、Compendium of Materia Medica.

C、Supplement to the Formulas of a Thousand Gold Worth.

D、Both A and C.

What are the final type of successful language learners?

What I like best are the stern cliffs, with ranges of mountains soaring behind them, full of possibilities, peaks to be scaled only by the most daring.

What are the five types of illocutionary speech acts Searle has specified? What is the illocutionary point of each type? 瑟尔把言外行为详细地分为哪五类?每一类的言外之的是什么?

What are the fallen trees made of?

Beautifully ______.

听力原文：W: What are the flowers for, Richard?

M: Five years of happiness. Happy anniversary.

W: But our anniversary isn't until Saturday.

M: I couldn't wait. Besides, we are not going to be here Saturday.

W: Where are we going to be?

M: If you had your choice of all the places in the world, where would you choose to spend our anniversary?

W: The Watermill Inn. I loved that place when we went on our honeymoon.

M: Perfect! You picked the right place.

W: I don't understand.

M: You and I are going to spend a second honeymoon at the Watermill Inn.

W: Oh, Richard! That's wonderful, but...

M: No buts, absolutely not. The world's greatest grandmother, Mrs. Ellen Stewart, has agreed to take care of him for the weekend.

W: But isn't that too much to ask of your mother?

M: Too much? She loves taking care of Max.

W: But... I'll miss him.

M: Well, we'll phone every hour, and you can listen to him over the phone. Come on. Honey, it's time you and I had a romantic weekend alone together. We've earned it. What do you say?

W: It does sound tempting. You're right. We've earned it.

M: Great! I'll make a reservation right now. Remember that wonderful little balcony where we had our meals... with a view of the Hudson River?

W: How could I forget?

M: My mom is available to baby-sit this weekend.

W: Well, OK. Check if they have a room.

M: I've already made arrangements. Right! You and I are going to have a wonderful, romantic weekend!

(23)

A．Two years.

B．Three years.

C．Five years.

D．Eight years.

A、Women are commonly considered as the main course of infertility.

B、There is no conflict between hinduism and assisted reproduction.

C、It is similar to the muslim point of view.

D、It is considered as a form of treatment.

What are the speakers mainly discussing?

A．Causes of illness.

B．The discovery of antibiotics.

C．The history of prescription drug.

D．Characteristics of antibiotics.